Leaving some grass longer has become increasingly common in gardens. It can reduce mowing and provide more shelter and food for insects, but it does not mean that every lawn has to be abandoned.
Start with a small area
If you are unsure about longer grass, choose one edge, corner or strip rather than the whole lawn. Keeping paths and seating areas mown gives the garden a deliberate appearance while allowing other areas to grow.
See what appears
Existing lawns often contain more than grass. When mowing stops for a while, clover, daisies and other low-growing plants may flower. The result depends on the soil and on what is already present.
Long grass still needs management
An unmown area is not maintenance-free. At some point it will need cutting, and the cut material is usually best removed if the aim is to encourage a wider range of flowering plants rather than vigorous grass.
Keep useful lawn where you need it
Short grass is practical for play, walking and sitting. There is no reason a wildlife-friendly garden cannot include a conventional lawn alongside longer areas.
Make it look intentional
A neat mown edge around longer grass can make a surprisingly large difference. Curved paths or simple rectangular areas can turn what might look neglected into a clear part of the garden design.
Leaving part of a lawn unmown is an easy experiment. Try a manageable area for one season and see how both the garden and its wildlife respond.