Pruning a lilac tree

this is a lovely double headed white lilac which I love
However this year the growth has been amazing and I want to reduce it back to the height of the wall where it should be.
I have absolutely no experience with trees, what should I do?
Weeds are flowers, too, once you get to know them.”
A A Milne
A A Milne
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A A Milne
Wait until after it has flowered late next Spring and take off as much as you wish, I usually do a 1/3. It's tough as old boots but flowers on last years growth.
Last edited: 18 September 2017 17:55:26
Thanks Mark. I will try to be patient!
A A Milne