I wanted to learn what kind of tree this was because I believe my next-door
growing one or have allowed a volunteer to grow in their garden. Normally I
would not be
too concerned, but in this case I have solar panels on my roof that are starting
shaded by this tree. The lost energy generation is not much right now, about
but the loss will only increase as the tree grows larger.
I put together a short photo album showing their tree (first three photos) and a
mature tree that I posted earlier.:
Solar panel shading during afternoon insolation from the neighbors' Ailanthus:
My next step is to discuss this with my neighbors. Their tree is not an ugly
tree, and I
suspect they rather like the shade it provides, so they may resist the idea of
and planting something different in its stead.
With such a fast-growing tree that when mature can be 40m tall, is trimming a
Does anyone have additional advice?
The one in my garden (UK) looks a bit different - perhaps not quite as
tall as the Sunnyvale example, but with a much bigger trunk and crown. A
lot of the branches seem more horizontal in aspect rather than the
comparatively vertical in your pics. This seems to have helped it have
a much more open crown, thus spreading wider rather than grwoing so
Might be the weather; might be a different variety; might be sex?
Anyway, we tend to have it trimmed every couple of years which seems to
encourage the spread rather than the height and open out the crown.
The other thing is that it looks rather close to the neighbour's house.
If it was my house, I wouldn't want it there. Mine is about 20' from
the house - but also on ground 5' higher than the house.
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