What Is The Difference Between Thinning And Reduction?
Requests arrive as though the words were interchangeable. In fact each does something the other does not. Crown thinning clears a portion of the small wood inside the canopy so that light and air move through, while the outer shape is untouched.
Canopy reduction takes length off the furthest limbs so the tree returns to a size the site can accommodate, and the interior remains exactly as dense as before. Once you describe the problem the choice makes itself.
When Is Crown Thinning Worth Doing Here?
Up here crown thinning and canopy reduction function first as a way of managing water. Fewer leaves place a smaller demand on roots that run dry by late summer.
Lighten the canopy a little and the tree finishes a hard summer in better shape, then opens the following spring with something left in reserve. That is worth booking crown thinning for even if your lawn needs no extra sunshine.
When Is Canopy Reduction Worth Doing Here?
On this crest the argument is wind. Storms load the outermost limbs hardest, and those limbs act as the lever that rolls a tree onto its side.
Reducing the canopy cuts the lever down. Each union underneath is relieved, and the roots have a great deal less force working against them.
Does Either Treatment Make A Tree Safe?
Risk drops with crown thinning and canopy reduction alike, and a lighter canopy really does place less demand on the root system, so the outlay is defensible. Absolute safety is not on offer from either one.
Rot in the base is out of reach of both, as is a root system that has already begun to move. Should either turn up, work in the canopy is no longer the relevant discussion and we will say so.
Why Will You Not Top A Tree?
Topping a tree means removing its main limbs at random heights, leaving stubs behind and disregarding where the branches actually join. Local companies continue to present it as a safety measure for tall trees. The effect is precisely the opposite.
What grows back is a thicket of shoots held on by callus alone, sitting on stubs that rot from the sawn end inward. Give it five years and you have more weight attached far less securely. No fee would make us do it.
How Much Can Safely Be Removed?
There is an upper limit for every canopy, and on sand this dry the limit falls short of the published guidance, because the tree has less stored energy for rebuilding.
The quote names a conservative ceiling for that reason. Where you really do want a substantially smaller tree, two courses hold up. Split the canopy reduction across a few years, or fell it and replant with a species that suits the space.