As winter fades and the first signs of spring emerge, March marks the final opportunity to trim deciduous hedges before they start putting on new leaves. Once buds break and fresh foliage appears, cutting back can stress the plant and lead to an untidy look for the rest of the season. Trimming now also provides a clear view of the branches, ensuring no bird nests are present before the official nesting season begins.
Why Trim Deciduous Hedges Now?
- Shape the hedge before new growth starts, making maintenance easier later in the year.
- Encourage healthy, dense growth by removing dead or weak branches.
- Prevent excessive pruning after the hedge has already leafed out.
- Check for and avoid disturbing bird nests while branches are still bare.
Legal Considerations for Hedge Trimming in the UK
Under the Wildlife and Countryside Act 1981, it is illegal to intentionally damage or destroy an active bird nest. Many birds begin nesting from March onwards, so cutting back now, before hedges leaf out, allows you to clearly see and avoid nests. If birds have already started nesting, you must delay trimming until after the breeding season, typically in late summer.
Additionally, the Anti-Social Behaviour Act 2003 states that if a hedge grows over 2 metres tall and affects a neighbour’s enjoyment of their property, they may file a complaint. If your hedge borders a neighbouring property, only trim your side unless you have permission to cut beyond your boundary.
How to Trim Deciduous Hedges Properly
- Choose the Right Tools – Use sharp shears, hedge trimmers, or secateurs for a clean cut.
- Check for Nests – Carefully inspect the hedge before starting to ensure no birds are nesting.
- Shape the Hedge – Trim to the desired height and width, tapering slightly so the base is wider than the top to allow even sunlight exposure.
- Remove Dead or Diseased Wood – Cutting back weak or damaged branches encourages strong new growth.
- Clean Up the Area – Rake up cuttings and compost where possible to keep your garden tidy.
Encouraging Wildlife-Friendly Hedges
If you want to support garden biodiversity, consider trimming selectively, leaving some sections untouched as shelter for birds and insects. Planting native hedge species such as hawthorn, blackthorn, or beech can provide food and nesting sites for wildlife while still allowing for manageable trimming.
Final Reminder: Don’t Delay!
With warmer temperatures just around the corner, this is your last chance to trim before deciduous hedges start leafing out. A well-timed trim now will set your hedge up for a healthy growing season while ensuring compliance with UK wildlife laws. If you haven’t tackled your hedge yet, now is the time!
Are you planning a hedge trim this week? Let us know what hedges you grow and how you maintain them!
