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White Lilac doesn't bloom

Posted by subrosa PNW8(7)BCCanada (My Page) on
Tue, Jun 17, 08 at 1:28

I have had a white lilac in the garden for over five years (two years in pot before). Am still waiting for a bloom. I have talked to other gardeners that have had the same experience. Is this a common problem?
It is healthy; about 6 ft. tall; planted in full sun.

Any suggestions?

Follow-Up Postings:

RE: White Lilac doesn't bloom

  • Posted by jimshy z7 Brooklyn, NY (My Page) on
    Wed, Jun 18, 08 at 12:34

When have you been pruning it? Lilacs bloom on the previous year's growth, so if you're pruning late in the season, there may not be enough time for new buds to form on new growth. I assume you're fertilizing, and sun's not an issue -- perhaps it's time to check with the nursery it came from or a lilac specialty nursery to see if it's an older cultivar that just takes more time to mature?


RE: White Lilac doesn't bloom

  • Posted by subrosa PNW8(7)BCCanada (My Page) on
    Thu, Jun 19, 08 at 7:01

Thanks for your reply, Jim. Last year, in desperation, I snipped off a few branch ends. Thought that might scare it into blooming this year but it did not make a difference. It is in full sun, in fertile soil. I apply nutrimulch (local manure enriched mulch product sold by the yard) in the spring but did not apply granular fertilizer because I thought it would stimulate growth rather than bloom.

I received the lilac from a friend who said it was Virginalis. It was either a root sucker or layered cutting. Her shrub blooms very well and is very fragrant.

RE: White Lilac doesn't bloom

My white lilac absolutely loves chicken manure mixed with epsom salts and some lime.

RE: White Lilac doesn't bloom

Thanks for your suggestions. I will definitely try an application of lime. Lilacs do so well on the prairies and I thought it was due to the cold winter temperatures. Perhaps the alkaline soil of the prairies is also a factor.

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