My leylandii is a monster. Can it actually be fixed?
This conversation comes up constantly in Rochester's older residential streets - a lot of the 1970s-90s boundary planting was leylandii, put in as a quick screen and then left. Here's the honest version of that conversation.
Q. Can you just cut it back down to size in one go?
A. Almost never, no, and if a contractor tells you yes without seeing it first, be sceptical. Leylandii and other conifers only carry green needles on the outer band of growth. Cut back past that band, into the bare brown wood, and that face doesn't produce new needles. It stays brown, permanently. A one-visit hard cut on a genuinely overgrown leylandii usually leaves you with a taller-than-you'd-like hedge with a dead brown skeleton down each side - worse than before, in most people's eyes.
Q. So what's the actual fix?
A. Staging it over two winters. First visit, we cut to an intermediate height, one that's still inside or close to the green zone on the sides. Over the following growing season, the sides thicken back up and fill in. Second winter, we drop to the final agreed height. It's slower than people want to hear, but it's the difference between a hedge that comes back looking like a hedge and one that comes back looking like a mistake.
Q. What if I don't want to wait two years - is there a quicker option?
A. Not from us, honestly. We don't take hedges out - our whole focus is keeping a hedge that's worth keeping, and staging the reduction over two winters is how you do that without leaving it looking like a mistake. For a genuinely far-gone leylandii - mostly brown, badly gappy at the base, or just in the wrong position for what you want from the boundary - staging is still usually the better route than losing the screening and the root structure altogether while a replacement establishes. We'll tell you straight at quote stage if staging genuinely won't fix a particular hedge, rather than push a plan we don't believe in.
Q. What does a staged reduction actually cost?
A. We quote the whole two-visit plan up front, as one number split across both stages, so you know the total cost before stage one starts rather than being surprised by a second bill a year later. As a rough guide, a genuinely overgrown domestic leylandii boundary in Rochester runs £350-£950 per stage depending on length and height - see our conifer & leylandii service page for the fuller pricing detail.
Q. Is there a good time of year to start, or does it not matter for conifers?
A. It matters. Winter - January to late February, before nesting starts - is the right window for the first stage of a hard reduction. The plant is dormant, the wound heals into the coming growing season, and we're clear of the nesting closure that runs 1 March to 31 August under the Wildlife and Countryside Act 1981. See our timing Q&A for the full seasonal picture.
Q. Mine's on the boundary and I think it's actually my neighbour's, not mine. Does that change anything?
A. It changes who needs to agree to the work, not the horticultural approach. If the hedge is planted on the boundary line or clearly on your neighbour's side, we'll need their agreement before doing anything beyond cutting back growth that overhangs onto your side. Our high hedges and neighbour law Q&A covers exactly what you can and can't do to a boundary hedge without the other owner's consent.
Before you call, it helps to have a rough sense of what a staged reduction costs versus a routine trim. Our hedge trimming costs Q&A sets out typical Rochester prices and what goes into a quote. If you have a mixed boundary with deciduous species alongside the leylandii, our overgrown hedge renovation Q&A covers the different approach those species need.
Want an honest read on yours?
Send photos and a postcode to hello@rochesterhedges.co.uk or call 07763 100 477. We'll tell you whether it's a routine trim or a staged reduction, with real numbers for whichever it is.
Sources: Royal Horticultural Society conifer hedge pruning guidance; Wildlife and Countryside Act 1981, section 1.