When should i trim down my lilac tree?
Question:
Answers:
immediately after blooming.
with very many bushes, the rule is to prune back to the desired height/shape immediately after blooms have finished.
when the branches get too long..
My wife trims off the portion of the branch that bloomed after they are done blooming--that's all.
I can be done anytime but the best time from an aesthetic point of view is right after the spring growth has finished.
Now is the time to prune your lilac bush. Cut off the dead flower heads too stop the plant wasting energy on seed formation and cut about three inches off the rest of the bush. Next years flower heads are already forming on new growth from below so don't cut off more than this. Cut out any dead or dying branches in the centre of the bush, this will keep the bush healthy and let in light and air.
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