What Happens When a Hedge Is Cut Back Too Hard?

Hedges are forgiving, but every species has a limit. When a hedge is cut back beyond its green foliage, the exposed branches may not produce new leaves. This is especially true of conifers such as Leighton Green, as well as many mature Lilly Pilly and Photinia hedges that have become woody inside.

The immediate result of over-cutting is bare, brown patches. Without leaves to photosynthesise, the branch weakens and may die back completely. In some cases the plant responds with a flush of weak, vertical water shoots that look untidy and create long-term structural problems.

Stressed hedges are also more vulnerable to pests and disease. Sunburn on previously shaded bark, fungal infection through fresh wounds and aphid attack on tender regrowth are all common after a hard cutback.

If a hedge has been cut too hard, the best recovery plan is patience and care. Water regularly, feed with a balanced fertiliser and avoid further pruning until new growth has matured. In severe cases, it may be more economical to remove the hedge and start again with a fresh planting plan.