Category: How to

How to tutorials and basics for the garden.

  • How to deal with waterlogged garden soil

    How to deal with waterlogged garden soil

    Waterlogged soil is more than simply wet soil. When water fills most of the spaces that normally hold air, plant roots can struggle to breathe. If the condition persists, roots weaken or die and plants may become yellow, stunted or unstable.

    The correct solution depends on why the water is present. Heavy soil, compaction, a high water table, a low point in the garden and runoff from surrounding surfaces can all produce similar symptoms.

    Do not start digging while the soil is saturated

    Walking and digging on saturated soil can cause severe compaction and smear the sides of planting holes. This is especially damaging on clay.

    If possible, keep off the affected area until some water has drained and the soil is workable again.

    Work out where the water comes from

    Observe the garden during and after heavy rain. Does water collect in one hollow? Does it run from a paved area or neighbouring higher ground? Is the entire garden saturated or only one bed?

    Understanding the source prevents you from installing a solution in the wrong place.

    Check for compaction

    Construction work, repeated foot traffic and machinery can create compacted layers that slow drainage dramatically.

    Once conditions are suitable, test the soil with a fork or spade. If penetration becomes suddenly difficult at a consistent depth, a compacted layer may be part of the problem.

    Improve soil structure gradually

    Organic matter can improve the structure of heavy soils over time. Mulching with suitable compost or leaf mould encourages biological activity and better aggregation.

    Do not expect one application to transform a persistently wet site. Soil improvement is cumulative.

    Avoid creating a planting sump

    On heavy soil, a deep planting hole filled with very free-draining compost can behave like a bucket surrounded by less permeable ground. Water may collect around the roots rather than disappear.

    Improve a wider area where possible and keep the planting medium reasonably compatible with the surrounding soil.

    Raised beds can help in the right place

    Raising the root zone above persistently saturated ground can improve conditions for plants that need better drainage. This is particularly useful in kitchen gardens and defined planting areas.

    A raised bed does not remove the underlying water, so it should not block natural drainage or send water towards buildings or neighbouring land.

    Choose plants that tolerate the conditions

    If a site is naturally moisture-retentive, working with the conditions can be more successful than trying to make every part of the garden dry.

    Many plants tolerate moist soils well, while others require sharp drainage. Match the plant to the site rather than repeatedly replacing plants that dislike the conditions.

    When drainage work may be necessary

    Where waterlogging is severe, persistent and caused by site drainage rather than soil structure alone, professional drainage advice may be appropriate.

    Any drain needs a legitimate outlet. Moving water from one part of the garden only to create a problem elsewhere is not a solution.

    Protect vulnerable plants during a wet winter

    Plants in the worst positions may need lifting or moving if their roots are clearly at risk. Container plants should have unobstructed drainage holes and should not sit in permanently full saucers outdoors.

    Signs of root stress

    • Leaves yellow despite the soil being wet.
    • Plants wilt even though water is present.
    • Growth becomes weak and stunted.
    • Roots are dark, soft or decaying.
    • Plants become loose because roots have died.

    Waterlogging is a site problem first

    The most durable solution comes from understanding the movement of water through the garden. Improve compacted soil, protect structure, use organic matter, adapt planting and install drainage only where there is a clear reason and a safe outlet.

    For soil improvement, read A simple guide to garden compost and Peat-free compost in the garden. For winter conditions, see Preparing the garden for winter.

  • How to divide established perennials

    How to divide established perennials

    Dividing established perennials is one of the most useful ways to renew a border without starting again. A mature clump can often be lifted and separated into several vigorous pieces, giving you new plants while improving the performance of the original one.

    Division is particularly valuable when a perennial has become congested, developed a bare centre, produced fewer flowers or simply grown beyond the space intended for it.

    When should perennials be divided?

    For many garden perennials, the best periods are spring as active growth begins or early autumn while soil is still warm enough for roots to establish. Avoid dividing during severe heat, frozen conditions or when soil is saturated.

    A useful principle is to give the divided plant time to make roots before it has to cope with either summer drought or winter extremes.

    Not every perennial wants the same treatment

    Many clump-forming perennials divide readily, but plants with deep taproots, woody crowns or very specific root structures may respond poorly. If you are unsure, check the propagation method recommended for the particular plant before lifting a valuable specimen.

    Prepare the new planting area first

    Do not leave freshly divided plants lying in the sun while you decide where they should go. Prepare the destination before lifting the parent clump. Remove perennial weeds, loosen compacted soil and make sure the area drains reasonably well.

    Where the soil needs improvement, incorporate suitable organic matter into the wider planting area rather than creating a small pocket of completely different material around the roots.

    1. Cut back excessive top growth if necessary

    Large leafy plants are easier to handle when some top growth is removed, particularly in autumn. Do not cut everything automatically: the amount depends on the plant and the season. The goal is simply to reduce damage and moisture loss while you work.

    2. Lift a generous root ball

    Work around the clump with a fork or spade, beginning far enough from the crown to avoid cutting through the most useful roots. Loosen the plant from several sides before levering it from the ground.

    For valuable or brittle plants, two garden forks inserted back-to-back can sometimes separate a clump more gently than chopping through it immediately with a spade.

    3. Separate the healthiest sections

    Once lifted, examine the crown. Look for vigorous outer portions with healthy shoots and roots. Old, exhausted or dead material from the centre can usually be discarded.

    Loose-rooted plants may pull apart by hand. Dense crowns may need two forks, a sharp spade or a clean knife. Each new piece needs enough viable root and growing points to re-establish.

    Do not make divisions unnecessarily small

    It is tempting to turn one plant into as many pieces as possible. Very small divisions, however, take longer to recover and may be more vulnerable to drought or competition. Fewer substantial pieces usually establish faster and make a stronger visual impact in the border.

    4. Replant promptly

    Plant divisions at approximately the depth at which they were growing before. Spread roots naturally rather than forcing them into a narrow hole. Firm the soil gently so there are no large air pockets, then water thoroughly.

    If you are replanting part of the original clump in the same position, refresh the surrounding soil and remove exhausted or damaged material before returning the healthy division.

    5. Water during establishment

    Even drought-tolerant mature plants need reliable moisture while rebuilding a root system. Keep an eye on newly divided perennials through dry periods. The aim is consistently adequate moisture, not permanently saturated soil.

    Mulch, but leave the crown clear

    A layer of organic mulch around newly planted divisions can help moderate soil moisture and reduce weed competition. Avoid burying crowns that naturally sit at or near the soil surface.

    Signs that a perennial may need dividing

    • The centre of the clump is dying out while the edges remain vigorous.
    • Flowering has become noticeably weaker.
    • The plant has outgrown its allotted space.
    • Neighbouring plants are being crowded.
    • You want to repeat a successful plant elsewhere in the garden.

    Division is also a design tool

    Repeating a reliable perennial in several places can make a border feel more coherent. Division therefore does more than propagate plants: it lets you edit the planting, strengthen rhythm and redistribute plants towards the conditions where they perform best.

    Before replanting, it is worth revisiting Choosing plants for a sunny border and Planting a garden for the seasons.

  • How to choose a garden trowel

    How to choose a garden trowel

    A garden trowel is one of the simplest tools in the shed, but it is also one of the most frequently used. Planting small perennials, bulbs and bedding plants, filling containers and working compost into a planting hole all put slightly different demands on the same small hand tool.

    A good trowel does not need complicated features. It needs a useful blade shape, enough strength for the soil you garden in and a handle that remains comfortable when the work takes longer than expected.

    Start with the work you actually do

    A wide scoop-shaped trowel is useful for moving compost and making generous planting holes. A narrower blade is easier to place between established plants and can penetrate firmer soil with less resistance.

    If most of your gardening happens in containers, weight and control may matter more than brute strength. If you regularly work in dense clay, rigidity and a strong connection between blade and handle become more important.

    Blade shape

    A traditional pointed blade is versatile because the tip can open soil while the wider section moves a useful amount of material. Very rounded blades scoop well but may be less effective in firm ground.

    Extremely narrow blades are useful for precision planting and weeds, but they are not necessarily the best general-purpose trowel.

    Blade material

    Stainless steel resists corrosion well and is easy to clean. Carbon steel can be extremely strong and take a useful working edge but needs more attention after use because bare steel can rust.

    Thickness alone does not determine strength. The shape of the blade, the quality of the steel and the way the shank is formed all contribute to how the tool behaves under pressure.

    Look closely at the blade-to-handle connection

    This is where cheap hand tools often fail. A thin spot, weak weld or short tang can loosen after repeated levering.

    A trowel intended for demanding soil should have a substantial connection between the blade and handle. Ideally, the tool should feel like one continuous structure rather than two pieces simply attached to each other.

    Handle length and grip

    Very short handles offer control but can require more wrist effort. A slightly longer handle provides useful leverage. Too long, however, and a hand trowel begins to lose the precision that makes it useful.

    Hold the tool before buying where possible. The handle should sit naturally in the hand without sharp edges or an oversized grip forcing the fingers apart.

    Wood or synthetic handles?

    Both can work well. A shaped hardwood handle feels warm and traditional and can last for many years when kept dry and maintained. Modern synthetic handles can be highly durable and need little maintenance.

    The quality of the shape and construction matters more than the material alone.

    Weight is a balance

    A very light trowel can feel pleasant initially but may flex in difficult ground. An unnecessarily heavy one becomes tiring during repetitive planting.

    A good general-purpose tool feels substantial enough to trust without making every planting job harder.

    Depth markings are useful, but secondary

    Some trowels include measurements on the blade for planting depth. These can be convenient for bulbs and young plants, but they should not be the main reason for choosing a tool.

    A strong, comfortable trowel without markings is more useful than a weak one with a ruler printed on it.

    Do not use a trowel as a crowbar

    Even a strong hand tool has limits. Levering large stones, cutting thick woody roots or forcing the blade deep into compacted ground can damage the tool and your wrist.

    Use a fork, spade, root saw or other appropriate tool when the job becomes larger than the trowel.

    A good trowel should become familiar

    The best hand tools often disappear into the work. You stop thinking about the trowel and concentrate on the plant, the soil and the job in front of you. That is a better measure of quality than a long list of features.

    For broader tool care, read Keeping garden tools in good condition. For seasonal tool use, see A few useful tools for summer gardening.

  • How to take softwood cuttings

    How to take softwood cuttings

    Softwood cuttings are a straightforward way to make new plants from fresh young growth. Instead of waiting for seed, you take a short piece of healthy stem from an established plant and encourage it to make its own roots. When successful, the new plant is genetically identical to the parent.

    Late spring and early summer are particularly useful because many plants are producing vigorous new shoots that are mature enough to handle but have not yet become woody.

    What is a softwood cutting?

    Softwood is the fresh, flexible growth produced during the current season. It bends easily and is usually greener and less rigid than older stems. This young material can root quickly, but it also loses moisture rapidly after being removed from the parent plant. That is why careful handling matters.

    Choose the parent plant carefully

    Take material from a healthy, vigorous plant that is not obviously stressed by drought, pests or disease. Choose shoots that are typical of the plant rather than unusually weak or distorted growth.

    Morning can be a good time to collect cuttings because stems are generally well hydrated. If you cannot prepare them immediately, keep them cool and prevent them from drying out.

    What you need

    • Clean, sharp secateurs or a propagation knife
    • Small pots or modules with drainage
    • Fresh peat-free propagation or multipurpose compost
    • A pencil, dibber or similar tool for making planting holes
    • A clear cover or propagator where appropriate
    • Labels

    1. Take more material than you finally need

    Cut healthy non-flowering shoots a little longer than the finished cutting. This allows you to make the final cut neatly once you are working at the potting bench.

    If a shoot has begun forming flowers, choose another where possible. Root formation is the priority and a strongly flowering shoot is directing energy elsewhere.

    2. Prepare the cutting

    Trim the base with a clean cut just below a leaf joint or node where appropriate for the plant. Remove the lower leaves so that no foliage will be buried in the compost. Retain enough upper foliage for photosynthesis without leaving such a large leaf area that the cutting loses water excessively.

    Large leaves can sometimes be reduced, but avoid unnecessary cutting unless it genuinely helps manage moisture loss.

    3. Insert into moist compost

    Fill a pot with moist compost and make planting holes around the edge with a dibber. Insert each cutting carefully so the prepared lower stem is in contact with the compost. Firm lightly around it.

    Several cuttings can share a pot as long as their leaves are not tightly crowded together. Good airflow becomes increasingly important as they begin to grow.

    4. Reduce water loss without creating stagnant conditions

    A clear propagator lid or loose cover helps maintain humidity around cuttings that wilt easily. Keep the cover away from the foliage where possible and provide some ventilation. Constant condensation and stagnant air can encourage rotting.

    Place the pot in bright indirect light. Strong direct sun can overheat a covered pot and dehydrate cuttings surprisingly quickly.

    5. Keep the compost moist, not saturated

    The cutting has no established root system, so drying out is dangerous. At the same time, waterlogged compost reduces air around the base and can encourage decay. Check regularly rather than watering automatically on a fixed schedule.

    How do you know a cutting has rooted?

    Fresh new growth is encouraging, although it is not absolute proof. A very gentle resistance when the cutting is touched can indicate that roots have begun anchoring it. Do not repeatedly pull cuttings from the compost to check progress; that can damage the new roots you are trying to establish.

    Potting rooted cuttings on

    Once a cutting has formed a useful root system, move it into its own small pot with suitable compost. Water after potting and keep it sheltered while it adjusts. Gradually introduce stronger light and outdoor conditions rather than moving a protected cutting directly into an exposed border.

    Why softwood cuttings fail

    • The material dried out between cutting and preparation.
    • Stems were too soft, weak or already stressed.
    • The compost stayed saturated.
    • Covered pots overheated in direct sunlight.
    • Dirty tools or old compost introduced disease.
    • The chosen plant is better propagated by another method.

    Propagation becomes easier with repetition

    Take several cuttings rather than relying on one. Even experienced gardeners expect some losses, and a small batch makes it easier to see which material roots most reliably. Label the pot with the plant and date, and make a note of the results. That turns a simple technique into useful knowledge for future seasons.

    For growing media and establishment, see Peat-free compost in the garden.

  • How to use a garden fork properly

    How to use a garden fork properly

    A garden fork is often treated as a rough digging tool, but its real strength is that it can loosen soil with less cutting and turning than a spade. Used well, it is useful for lifting plants, breaking compacted ground, aerating soil and moving organic material.

    The important part is working with the tines rather than using the handle as a lever beyond what the tool can safely tolerate.

    Garden fork or border fork?

    A full-sized garden fork is suited to larger areas and heavier work. A border fork is smaller and easier to control between established plants.

    If you mainly work in densely planted borders, the smaller tool may be more useful than a large fork that damages neighbouring roots and foliage simply because there is not enough room to use it properly.

    Use your weight, not only your arms

    Place the tines where you want them to enter the soil and use your foot on the tread where the fork provides one. Keep your body balanced and let your weight help push the fork into the ground.

    Repeatedly forcing a fork into resistant ground using only your arms is tiring and increases the temptation to twist the handle excessively.

    Loosening soil without turning it completely

    Insert the tines vertically, then draw the handle back slightly to create cracks and air spaces. Move a short distance and repeat.

    This can loosen compacted ground without completely inverting the soil profile.

    Do not work saturated soil

    Forking very wet clay can do more harm than good. The soil smears and compacts, and foot traffic damages its structure.

    Wait until the ground is moist but workable rather than sticky enough to cling heavily to tools.

    Lifting established plants

    A fork is particularly useful when lifting perennials because the tines can move through soil with less cutting than a spade blade.

    Begin outside the main crown and work around the plant gradually. Loosen the root ball from several sides rather than trying to lever the whole plant out from one position.

    Use two forks for dividing some perennials

    Dense clumps can sometimes be separated with two forks inserted back-to-back into the root mass. Push the handles towards each other so the tines move apart and separate the plant.

    This works best with suitable fibrous-rooted perennials. It is not appropriate for every plant.

    Aerating compacted areas

    On a small lawn, a garden fork can create aeration holes in heavily trafficked areas. Push the tines into the soil at regular intervals and gently ease them back.

    For large lawns or very severe compaction, specialist aeration equipment is more efficient.

    Moving compost and mulch

    A fork is often better than a spade for moving coarse compost, manure and fibrous mulch because the tines enter the material easily.

    Choose the correct fork for the job: a broad manure or compost fork is more efficient for loose material than a narrow digging fork.

    Avoid excessive levering

    If the tines are buried beneath a large stone or thick root, forcing the handle backwards can bend tines or damage the shaft.

    Reposition the fork, loosen the surrounding soil and use an appropriate tool for the obstruction.

    Keep the tines clean

    Soil left packed between the tines holds moisture against the metal. Brush or wash the fork clean after heavy use and let it dry before storage.

    The fork is a soil-reading tool

    Used slowly, a garden fork tells you a great deal about the ground. You feel compacted layers, roots, stones and changes in soil structure through the handle. That feedback helps you work more carefully than simply forcing a blade through everything in the way.

    For improving difficult ground, see A simple guide to garden compost. For tool maintenance, read Keeping garden tools in good condition.

  • How to plant bare-root roses and shrubs

    How to plant bare-root roses and shrubs

    Bare-root plants arrive without a pot and with little or no compost around their roots. They may look less impressive than container-grown plants at first glance, but during the dormant season they can be an efficient, economical way to establish roses, hedging plants, shrubs and trees.

    The important part is hidden below ground: healthy roots, careful planting and good contact with the surrounding soil. If those are right, a bare-root plant can establish quickly once growth resumes.

    When to plant bare-root material

    Bare-root plants are generally supplied while dormant, from autumn into winter and early spring. Plant when the soil is workable: not frozen, not waterlogged and not so dry that roots cannot establish properly.

    Autumn planting often gives roots time to begin settling before spring growth. In colder or very wet gardens, later winter or early spring planting can sometimes be more practical.

    Do not let the roots dry out

    Bare roots have no pot of compost protecting them. Unpack the plant promptly and keep the roots cool and moist. If planting is delayed briefly, follow the nursery’s storage instructions rather than leaving the roots exposed to air, sun or wind.

    Before planting, inspect the root system. Trim only roots that are genuinely damaged or broken, using clean sharp tools. Healthy roots should be preserved.

    Prepare the whole planting area

    Remove perennial weeds and loosen compacted soil around the intended planting position. A planting hole should be comfortably wide enough for the roots to spread naturally without being folded sharply back on themselves.

    Digging an extremely deep hole and filling it with rich material is usually unnecessary. The plant eventually needs to grow into the surrounding garden soil, so improving the wider area is more useful than creating an isolated pocket.

    1. Check the planting depth

    Look for the previous soil mark on the stem where possible. Most shrubs should be replanted at approximately the depth they were growing before. Planting too deeply can reduce oxygen around the root system and bury stems that are not adapted to underground conditions.

    With grafted roses, recommendations for the graft union can vary according to rose type, climate and nursery guidance. Follow the supplier’s instructions rather than applying one rule to every rose. Around soil level, or slightly below where specifically recommended, is common practice.

    2. Spread the roots naturally

    Hold the plant upright in the hole and arrange the roots so they radiate into the soil rather than circling or turning sharply upwards. Enlarge the hole if necessary. Cutting healthy roots simply to fit a hole is the wrong way round.

    3. Backfill carefully

    Return soil around and between the roots, gently shaking or adjusting the plant where useful so large air pockets do not remain. Firm progressively with your hands or light foot pressure. The aim is good soil-to-root contact without compacting wet soil into a hard mass.

    4. Water after planting

    Watering settles soil around the roots and ensures the planting zone begins evenly moist. Do this even during the dormant season when conditions are relatively dry.

    Continue monitoring moisture during the first growing season. A plant that has begun producing leaves is losing water even if its new root system is still limited.

    5. Mulch the root zone

    A layer of suitable organic mulch can reduce evaporation, suppress competing weeds and gradually improve the surface soil. Keep mulch away from direct contact with stems and the crown.

    Should you add fertiliser?

    More feeding is not automatically better at planting time. Good soil preparation and moisture management are usually more important during initial establishment. Where fertiliser is appropriate, follow the requirements of the plant and product rather than adding a strong feed directly against bare roots.

    The first growing season

    Newly planted roses and shrubs should be checked regularly during dry spells. Deep, occasional watering that moistens the root zone is generally more useful than frequent superficial sprinkling.

    Keep weeds and vigorous neighbouring plants from competing immediately around the new plant. Do not be alarmed if top growth initially seems modest: establishment below ground is the priority.

    Common planting mistakes

    • Allowing roots to dry out before planting.
    • Forcing roots into a hole that is too narrow.
    • Planting significantly deeper than the original soil line without a specific reason.
    • Working waterlogged soil and destroying its structure.
    • Assuming winter rain means a newly planted root zone can never become dry.
    • Leaving grass or weeds to compete directly around the plant.

    Choose for the site before you plant

    Good planting technique cannot compensate indefinitely for the wrong plant in the wrong conditions. Light, soil moisture, mature size and exposure should all be considered before ordering. Bare-root planting works best when it is the final step in a good decision rather than an attempt to rescue a poor one.

    See also Choosing plants for a sunny border and Planting a garden for the seasons.

  • How to choose and use secateurs

    How to choose and use secateurs

    Secateurs are the tool behind thousands of small decisions in a garden. Deadheading, pruning roses, cutting back stems and removing damaged growth all depend on making a clean cut without crushing the plant or straining the hand.

    The right pair should match your hand, the kind of pruning you do and the diameter of material you regularly cut.

    Bypass or anvil?

    Bypass secateurs have two blades that pass each other like scissors. They are generally the preferred choice for clean cuts on living stems.

    Anvil secateurs use one cutting blade against a flat surface. They can provide useful leverage on dry or dead material but may crush softer living stems more easily.

    Hand size matters

    A pair that opens too widely can be tiring for smaller hands. A tool that is too small can reduce leverage and encourage you to force cuts it was not designed to make.

    Where possible, hold the secateurs before buying. Open and close them repeatedly and check whether the handles sit comfortably without excessive stretching.

    Do not buy on cutting diameter alone

    Manufacturers often specify a maximum cutting capacity. Treat this as a limit rather than a target for every cut.

    If a stem requires significant force, use loppers or a pruning saw. Repeatedly forcing thick branches through secateurs damages blades, pivots and hands.

    How to position bypass secateurs

    The sharp cutting blade should normally be placed on the side of the stem you want to keep. The thicker counter-blade sits on the waste side.

    This keeps the cleanest part of the cut on the remaining plant.

    Cut close, but not too close

    When pruning above a bud, leave a small amount of stem rather than cutting into the bud itself. Avoid leaving long dead stubs that later die back.

    The exact cut depends on the plant, but clean placement matters more than an exaggerated angle.

    Make one decisive cut

    Repeatedly chewing at a stem with half-closed blades creates ragged damage. Open the secateurs fully, position them correctly and make one controlled cut.

    If the blades will not pass through comfortably, change tools.

    Keep the pivot adjusted

    Loose blades twist and tear rather than meeting correctly. Excessively tight secateurs are tiring and may not reopen smoothly.

    Many quality secateurs allow the central pivot to be adjusted so the blades move freely without sideways play.

    Clean sticky blades

    Sap and resin build up during pruning and make the blades drag. Wipe the tool regularly during large jobs rather than waiting until the mechanism becomes difficult to move.

    After working on diseased plant material, clean the blades appropriately before moving to healthy plants where disease transfer is a concern.

    Sharpen the cutting blade, not both sides randomly

    Bypass secateur blades are usually bevelled deliberately. Sharpening should maintain the original geometry rather than creating a new edge shape.

    Light regular sharpening is easier than waiting until the blade is badly dull or damaged.

    Use the wrist in a natural position

    Awkward cuts made at full reach increase strain and reduce control. Reposition yourself so the stem is comfortably accessible where possible.

    For repetitive pruning, change position regularly and avoid squeezing harder than necessary.

    Good secateurs should be maintainable

    Replaceable blades, springs and other wear parts can make a good pair of secateurs useful for decades. A tool that can be dismantled, cleaned and repaired is often a better long-term choice than one designed to be discarded when it becomes blunt.

    For practical pruning, see How to prune roses. For maintenance, read Keeping garden tools in good condition.

  • How to grow salad leaves in containers

    How to grow salad leaves in containers

    Salad leaves are among the most useful crops for container growing. They need relatively little space, grow quickly and can be harvested over a long period if sowings are staggered. A pot close to the kitchen can also be more convenient than a larger vegetable bed for something harvested in small amounts several times a week.

    The main challenge is consistency. Salad leaves grow best when they are not repeatedly stressed by drying out, overcrowding or excessive heat.

    Choose leaves for the season

    Loose-leaf lettuces, rocket, mizuna, mustard leaves and mixed baby-leaf seed are all suitable for containers, but they do not behave identically. Some tolerate cool conditions well, while others become more peppery or bolt quickly in hot weather.

    Rather than sowing one large container for the whole year, use smaller repeated sowings and adjust the varieties to the season.

    The container matters less than the drainage

    Window boxes, troughs and ordinary pots can all work. The container should be deep enough to hold a useful volume of compost and must have open drainage holes. Very shallow pots dry rapidly and leave little margin for error during warm weather.

    Larger containers are generally easier to keep evenly moist than very small ones.

    Use fresh peat-free compost

    Fill the container with a good-quality peat-free multipurpose compost. Leave a small watering space below the rim so that water can soak in rather than immediately running over the edge.

    Old exhausted compost from a previous heavily fed crop is less predictable. Where compost is reused, understand what grew in it before and refresh or amend it appropriately.

    1. Sow thinly

    Dense sowing may create an impressive green surface initially, but overcrowded seedlings compete quickly. Scatter seed as evenly as possible or sow in short rows if that makes thinning and harvesting easier.

    Cover the seed according to packet instructions, then water gently so the seed remains where you put it.

    2. Keep the compost evenly moist

    Young salad leaves have shallow root systems. Containers can dry much faster than garden soil, especially in wind or sun. Check the compost with your fingers rather than judging only from the surface colour.

    Water thoroughly when needed, allowing excess water to drain. Constantly saturated compost is no better than repeatedly dry compost.

    3. Thin before plants compete badly

    For baby leaves, plants can remain relatively close, but even then they need enough airflow and root space to grow cleanly. Thinnings from many edible crops can be used as a small first harvest if they are suitable to eat.

    4. Harvest little and often

    For cut-and-come-again crops, take outer leaves or cut above the growing point so the plant can produce again. Do not remove every leaf from a weak young plant. Frequent moderate harvesting usually keeps the container productive for longer.

    Make succession sowing the default

    The simplest way to avoid a sudden glut followed by an empty pot is to sow another small batch every few weeks during suitable growing conditions. Keep two or three containers at different stages rather than expecting one sowing to remain perfect indefinitely.

    Summer needs a different approach

    Very hot containers dry quickly and many salad plants respond to heat and stress by bolting. During summer, move pots away from the hottest reflected heat where practical and provide reliable moisture. Afternoon shade can be useful for crops that struggle in intense heat.

    Choose varieties described as suitable for warmer conditions and harvest regularly rather than leaving plants to become old and coarse.

    Cool-season salads

    Late-summer and early-autumn sowings can extend the season considerably, especially where containers can be moved to a sheltered position. Growth slows as light levels fall, so crops sown too late may remain small for a long period.

    A cold frame or unheated greenhouse can offer useful protection, but ventilation remains important during mild weather.

    Watch for common problems

    • Leaves wilt repeatedly: the container may be too small or drying too quickly.
    • Plants bolt rapidly: heat, drought stress or simply maturity may be the cause.
    • Seedlings disappear: inspect for slugs and snails, especially around pots at ground level.
    • Growth is pale and weak: overcrowding, exhausted compost or poor light may be limiting growth.
    • Leaves become very peppery: some crops naturally intensify with age, heat and dry conditions.

    Keep the system simple

    Container salads work best as a routine rather than a single project: sow a little, water consistently, harvest frequently and start the next pot before the current one is finished. With a few containers in rotation, even a small terrace or doorstep can provide useful fresh leaves for much of the growing season.

    Continue with Growing herbs close to the kitchen, Growing vegetables at home and Why raised beds remain useful.

  • How to sharpen secateurs

    How to sharpen secateurs

    Sharp secateurs make cleaner cuts, require less hand pressure and are easier to control. A blade does not need to be visibly damaged to have become dull; gradual wear is enough to make pruning feel increasingly heavy and leave crushed or ragged stems.

    Regular light maintenance is usually better than waiting until the edge needs major repair.

    Clean before sharpening

    Remove soil, dried sap and resin first. Sharpening over dirt makes it difficult to see the original blade angle and can contaminate the sharpening tool.

    Use the cleaning method recommended for the secateurs and dry metal parts afterwards.

    Inspect the blade

    Look for chips, rolled edges, cracks and excessive wear. Light dullness can normally be corrected at home. A badly chipped or damaged blade may need professional attention or replacement.

    Understand which edge is bevelled

    On bypass secateurs, the cutting blade usually has a bevel on one side while the back is comparatively flat. Preserve that geometry.

    Sharpening both sides equally can alter the way the blades meet and reduce cutting performance.

    Choose a suitable sharpening tool

    A small diamond file, fine sharpening stone or tool specifically designed for secateurs can all work. The important thing is that it allows controlled contact with the blade at the correct angle.

    A very coarse file removes material quickly but is unnecessarily aggressive for routine maintenance.

    Follow the existing bevel

    Lay the sharpener against the bevel and use smooth strokes along the cutting edge. Follow the angle already established by the manufacturer rather than trying to create a steeper, razor-like edge.

    Work progressively along the whole blade so one area does not become hollow or over-sharpened.

    Remove the burr carefully

    Sharpening can create a very fine burr on the flat side of the blade. A light pass with a fine stone or file can remove it.

    Do not grind a second bevel into the back of the blade.

    Check blade alignment

    A sharp blade still performs poorly if it does not pass closely against the counter-blade. Check for sideways movement at the pivot.

    If the model allows adjustment, tighten the pivot enough to remove excessive play while keeping movement smooth.

    Lubricate the moving parts

    After cleaning and sharpening, apply a small amount of suitable lubricant to the pivot and moving surfaces. Wipe away excess.

    This reduces friction and helps protect metal components during storage.

    Test on a real stem

    A piece of paper can show whether a blade is sharp, but secateurs are designed for plant stems. Test them on clean healthy pruning material of a suitable diameter.

    The cut should be smooth and require noticeably less pressure than before sharpening.

    When should secateurs be sharpened?

    There is no fixed schedule because use varies enormously. Check them when cuts begin to look crushed, when more pressure is needed or before a major pruning season.

    A light touch-up several times a year can be easier than one heavy sharpening session.

    Do not sharpen away damage indefinitely

    Blades are consumable parts. Once a blade has been sharpened repeatedly, become badly chipped or no longer aligns correctly, replacement may be the better option.

    Maintenance changes how a tool feels

    A clean, sharp and correctly adjusted pair of secateurs requires less force and gives much better feedback through the hand. The improvement is often more noticeable than buying a new tool simply because the existing one has become neglected.

    See Keeping garden tools in good condition for broader tool maintenance.

  • How to prune roses

    How to prune roses

    Pruning roses is less complicated than it first appears. The aim is not to cut every rose into the same shape, but to remove weak, damaged and badly placed growth while encouraging a strong framework that can carry healthy new shoots and flowers.

    For many established bush roses, late winter into early spring is the main pruning period. The exact timing depends on climate and rose type, but the useful signal is usually the same: the harshest winter weather is passing and buds are beginning to swell.

    First identify what kind of rose you have

    Hybrid teas, floribundas and many modern shrub roses can generally be pruned during late winter or early spring. Climbing and rambling roses are different and may require another approach because they flower on different types of wood.

    If you do not know the exact variety, look at how the plant grows. A compact bush that produces flowers on fresh shoots is usually treated differently from a large rose trained horizontally along a wall or arch.

    Use clean, sharp tools

    Good secateurs make pruning easier and leave cleaner cuts. Blunt blades crush stems rather than cutting them cleanly. For thicker stems, use loppers or a pruning saw instead of forcing ordinary secateurs beyond their comfortable capacity.

    Wear gloves and long sleeves when working among thorny stems, particularly on large established plants.

    1. Remove dead, damaged and diseased wood

    Begin with the obvious material. Dead wood often looks dry or discoloured and has no healthy buds. Damaged stems may be split, rubbed or broken. Diseased material should also be removed where appropriate.

    Cut back until the wood appears healthy. Removing this material first makes the remaining structure much easier to read.

    2. Remove crossing and inward-growing stems

    Stems rubbing against each other create wounds and congestion. Where two branches cross, keep the stronger or better-positioned one and remove the other.

    Also look for growth heading directly into the centre of the plant. An open framework improves airflow and makes the final shape easier to maintain.

    3. Remove weak growth

    Very thin, weak stems often contribute little to the final display and can crowd stronger shoots. Removing them allows the plant to direct more energy into a smaller number of useful branches.

    Do not remove every thin stem automatically. Use the overall structure of the rose as the guide.

    4. Shorten the remaining framework

    Once the plant is clean and open, shorten the remaining stems to encourage strong new growth. How hard you prune depends on rose type, age and vigour.

    Strong modern bush roses often tolerate fairly substantial pruning. Older shrub roses and varieties grown mainly for a natural shape may need lighter treatment.

    Where should the cut be made?

    Make the cut slightly above a healthy bud. An outward-facing bud is often chosen because the new shoot then grows away from the centre of the plant.

    A slight slope can help water run away from the bud, but the quality of the cut matters more than achieving a perfect angle. Avoid leaving a long dead stub above the bud, and avoid cutting so close that the bud itself is damaged.

    What about old, thick stems?

    Established roses sometimes benefit from gradual renewal. Removing one of the oldest stems close to the base can encourage fresh basal growth and prevent the framework becoming increasingly woody and congested.

    Do not automatically remove all old wood in one year. Renewal is usually better done progressively.

    After pruning

    Clear away fallen rose leaves and prunings where disease may have been present. Mulching around the plant can help retain soil moisture and improve the surface of the soil, but keep mulch away from direct contact with the stems.

    Where feeding is appropriate, apply it according to the needs of the rose and the product instructions rather than assuming more fertiliser will always produce a better plant.

    Common pruning mistakes

    • Using blunt secateurs that crush stems.
    • Leaving dead or crossing growth because the plant already looks sparse.
    • Pruning every rose type in exactly the same way.
    • Leaving long stubs above buds.
    • Cutting a weak plant extremely hard without considering why it is weak.
    • Ignoring the final shape and concentrating only on individual cuts.

    Pruning is about structure

    A well-pruned rose should not look mechanically symmetrical. It should have a clear framework, space for new growth and enough healthy wood to support the season ahead. Once dead, weak and badly placed stems are removed, the remaining decisions become much simpler.

    For related seasonal work, see Getting ready for spring and Keeping garden tools in good condition.

  • How to prune summer-flowering shrubs

    How to prune summer-flowering shrubs

    Many summer-flowering shrubs produce their flowers on new growth made during the current season. For these plants, pruning in late winter or early spring can encourage fresh vigorous shoots that later carry flowers.

    The important word is many. Shrubs flower on different types of wood, and pruning at the wrong time can remove an entire season’s flowers. Before cutting hard, identify whether the plant flowers on new growth or on stems produced the previous year.

    Why timing matters

    A shrub that flowers on new season growth has time to replace pruned stems and form flower buds later in the same year. A spring-flowering shrub often formed its flower buds on older wood months earlier. Pruning that shrub in late winter can remove those buds before they ever open.

    This difference is the foundation of good shrub pruning.

    Start by identifying the plant

    Examples of shrubs commonly pruned in late winter or early spring include certain buddlejas, hardy fuchsias, some hydrangeas and other plants that flower mainly on fresh growth. The correct treatment still depends on species and variety.

    If identification is uncertain, delay severe pruning until you know how the plant flowers. A year of observation is often less damaging than a confident cut made at the wrong time.

    1. Remove damaged and dead wood first

    Winter may leave stems split, dead or badly damaged. Remove these before making decisions about shape. Cut back to healthy material using sharp, clean tools.

    2. Remove badly placed growth

    Branches that rub, cross heavily or grow into neighbouring paths and plants may need removal. Taking out a few entire stems often produces a more natural result than shortening every branch indiscriminately.

    3. Decide how much new growth you want

    Some vigorous summer-flowering shrubs respond well to hard pruning and produce strong new stems from a low framework. Others are better reduced more moderately.

    Consider the mature size and position. A shrub repeatedly cut hard simply because it was planted in too small a space may never look convincing. Pruning cannot permanently solve a poor choice of plant.

    4. Cut to healthy buds or framework

    Where shortening stems, cut just above healthy buds. Where removing a branch completely, cut cleanly at its point of origin rather than leaving a long stub.

    Large branches require the correct saw and technique to avoid tearing bark.

    Renovating an old shrub

    A mature shrub with a congested centre can often be improved by removing some older stems at the base. This allows younger growth to develop and gradually renews the plant.

    For shrubs that do not respond well to drastic renovation, remove old wood over two or three seasons rather than stripping the plant in one operation.

    Do not prune purely for neatness

    A shrub is not a hedge. Cutting every shoot to the same outer surface can create dense twiggy growth and destroy the natural shape of the plant.

    Selective cuts usually produce a better result. Look into the structure and remove or shorten individual branches with a reason.

    Aftercare

    After substantial pruning, check the soil around the root zone. A shrub asked to produce a large amount of new growth will establish that growth more successfully if the soil is not competing heavily with weeds or suffering prolonged drought.

    Mulch can be useful after pruning, particularly on soil that dries rapidly, but do not pile organic matter directly against woody stems.

    The simple rule

    Before pruning any flowering shrub, answer one question: does it flower mainly on new growth or on older stems? Once that is clear, timing and severity become much easier to judge.

    Continue with Getting ready for spring and Planting a garden for the seasons.

  • How to improve heavy clay soil

    How to improve heavy clay soil

    Heavy clay soil can be difficult to work, but it is not poor soil by definition. Clay particles hold nutrients and water well, which can make clay surprisingly fertile. The challenge is structure: when wet it can become sticky and compacted, while during dry weather it may become hard and cracked.

    Improving clay is therefore less about replacing the soil and more about helping it form a better structure over time.

    Do not work clay when it is saturated

    One of the fastest ways to damage clay soil is to dig or walk on it when it is very wet. Pressure squeezes out air spaces and can turn the surface into dense slabs.

    Wait until the soil is moist but no longer sticky enough to smear heavily on tools and boots.

    Organic matter is the main long-term tool

    Well-rotted compost, leaf mould and other suitable organic materials can improve the way clay aggregates into crumbs. This creates more spaces for air and water movement and makes the soil easier to work.

    Improvement is gradual. A single application will not transform an entire garden, but repeated additions over several seasons can make a substantial difference.

    Mulch rather than repeatedly digging

    Organic mulch spread over the surface allows worms, roots and soil organisms to incorporate material naturally. This avoids the repeated disturbance that comes with deep annual digging.

    Apply mulch when the ground is moist rather than trapping severe dryness below a thick surface layer.

    Protect the surface

    Bare clay can form a hard crust under heavy rain or direct sun. Plants and mulch protect the surface from this repeated impact.

    Dense planting has another advantage: roots create channels through the soil and contribute organic matter as fine roots die and regrow.

    Avoid adding small quantities of sand

    Adding a little sand to heavy clay is often recommended casually, but small amounts do not necessarily improve structure and in some conditions can create an unpleasant dense mixture.

    Large-scale mineral amendment requires a clear understanding of soil texture and substantial quantities of material. For most garden situations, organic matter and better cultivation habits are more practical.

    Improve drainage carefully

    Water sitting on clay does not always mean the soil itself is the only problem. Compaction, low spots and surrounding hard landscaping can all prevent water from moving away.

    Before installing drains or raising beds, understand where the water is coming from and where it can safely go.

    Choose plants that suit the soil

    Some plants grow extremely well in moisture-retentive clay, while others resent winter wet around their roots. Plant selection can therefore reduce the amount of correction the garden needs.

    A plant that naturally suits heavier soil will generally establish more reliably than a plant that requires constant intervention to survive there.

    New planting in clay

    Avoid creating a narrow planting hole filled entirely with light compost. Roots may remain inside that pocket instead of moving into the surrounding soil.

    Loosen a wider area and blend improvements more gradually into the existing soil.

    Reduce compaction

    Permanent paths or stepping routes are useful in beds that require regular access. They prevent repeated foot traffic from compacting the same garden soil you are trying to improve.

    Think in years, not weekends

    Clay responds well to patient management. Add organic matter, minimise unnecessary compaction, protect the surface and choose plants that appreciate moisture-retentive soil. The cumulative effect is far more useful than trying to rebuild the soil in one dramatic operation.

    See also A simple guide to garden compost and Peat-free compost in the garden.