A mature hedge that has been maintained is one of the cheapest things in a garden to keep. A mature hedge that has not is one of the more expensive things to recover. The gap between those two is entirely about whether somebody has been cutting to a line.
Is it trimming you need?
| If this is true | You need |
|---|---|
| Cut within the last year or two | Trimming |
| Right size, just shaggy | Trimming |
| Old cutting line still visible inside | Trimming |
| Crept into a border or over a path | Reduction |
| Beyond reach from a step ladder | Reduction |
| Bare and leggy at the base | Reduction, then regular trimming |
| Not properly cut in four or five years | Reduction |
What a good trim involves
- A true top line, worked to a line rather than judged by eye. On any run over a few metres an eye-judged top dips and rises noticeably.
- A batter on the faces — slightly wider at the base than the top, so light reaches the bottom and the base stays green rather than going bare.
- Square ends. Where a hedge stops it should stop deliberately.
- The faces done every time, not just the top. Topping alone is what makes a hedge widen and go top-heavy.
Why a mature hedge is cheaper to keep than to recover
Each cut is measured against the hedge as it stands that day. So a hedge cut annually to a fixed line is a quick, predictable job — the growth is soft, there is not much of it, and the crew knows where it comes back to.
A hedge left three or four years has thick woody growth to cut, several times the material to clear, and no line to work back to. That is not a trim priced higher; it is a different job.
Frequency by species
| Hedge | Cuts per year | Best timing |
|---|---|---|
| Leylandii & conifers | One, minimum | Late summer |
| Privet | Two or three | Spring through summer |
| Beech & hornbeam | One | Late summer |
| Yew | One, two if formal | Late summer |
| Laurel | One or two | Spring and late summer |
| Hawthorn & mixed native | One | Late summer to winter |
The base, which is where mature hedges fail
A mature hedge that has gone bare and leggy at the bottom has stopped doing its job at exactly the height where the job matters most — screening and marking a boundary.
It happens because the top overhangs the base and shades it out, and it is very hard to reverse. On a broadleaf hedge it can be recovered by cutting the top back so light reaches the bottom, over a couple of seasons. On a conifer it usually cannot, because bare wood stays bare.
Prevention costs nothing: a slight batter on the faces, not letting the top run away, and keeping the base clear of weeds, ivy and stacked material.
Timing
Late summer into early autumn suits most hedges — the main flush of growth is over, so the cut holds its shape through winter. A formal hedge kept sharp usually wants a second lighter pass earlier in the year.
On nesting birds: it is not an offence to cut a hedge during the season. The offence under the Wildlife and Countryside Act 1981 is intentionally damaging or destroying a nest while it is in use or being built. The hedge is checked before starting and any occupied section waits.
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More Tewkesbury Hedge Maintenance Guides
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