Re: Lilacs

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Posted by Vicki on March 22, 2003 at 18:36:41:

In Reply to: Re: Lilacs posted by Newt on March 22, 2003 at 18:25:16:

I would offer that some of the experts do suggest root pruning as "one" option -
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Q: My lilac bushes aren't flowering. I have about five of them about 4feet tall, and about the middle of last summer, I pruned. Did I cause the "non-flowering" by pruning too late in the season? Will they never flower again if I pruned off the buds? I donít remember seeing any buds. I've lived here for three years now and donít ever remember seeing the bushes flower. Any thoughts? (E-mail reference, Massachusetts)

A: Never-flowering-lilacs could be a problem. Typically, lilacs set their flower buds in late July or early August for the following spring's bloom. If they have never flowered it could be they are in too much shade or getting too much nitrogen fertilization for flower bud setting. Try to root prune them with a sharp-edged spade in a couple of places. Such trauma will often initiate the setting of flower buds for show the following year.

I don't presume to know much here, but have heard this remedy in Master Gardener classes - and simply offer it as a possibility ......

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