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Mold on Japanese Flowering Lilac

Posted by kelly922 6b (My Page) on
Wed, Jun 2, 10 at 18:53

Hi there - I planted a Japanese Flowering Lilac about 6 yrs ago in an area with full sun & great circulation...nothing is near it but some catmint around its base that I transplanted just last summer. I know they take a while to establish themselves however there are still so few blooms...and the tree is now about 13' tall. I noticed about 4 yrs ago the start of a light greenish/greyish mold covering its trunk about 4' up. I also noticed that there is a small canker on the base of the tree where it might have gotten nipped by our landscapers along the way. There is some dieback on mostly upper branches/twigs(very small in diameter). Any suggestions for restoring this very near & dear to my heart Lilac tree ? I really don't want to rip it out and start over again especially since it's near our patio in a highly visible spot. I would appreciate any advice!


Follow-Up Postings:

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RE: Mold on Japanese Flowering Lilac

  • Posted by jean001 z8aPortland, OR (My Page) on
    Wed, Jun 2, 10 at 20:30

AS for "greenish/greyish mold covering its trunk about 4' up" perhaps that's lichen? If so, not to worry.

If nipped by someone, the outcome depends upon how serious is the "nip."


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RE: Mold on Japanese Flowering Lilac

Thx for the lichen suggestion - makes me feel a little better. It is fastened hard to the tree - almost like a barnacle - so that would make sense.
Hard to say how bad the nip is, I guess. I can tell you that the size of the canker is about 3 1/2" long by no more than 1" wide. (Bums me out) I know I can't get rid of it but any ideas as to how I can remedy the situation without bringing a tree expert in? So many trees live a long happy life despite a canker.


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RE: Mold on Japanese Flowering Lilac

  • Posted by jean001 z8aPortland, OR (My Page) on
    Thu, Jun 3, 10 at 14:42

The best remedy is to leave it be.


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RE: Mold on Japanese Flowering Lilac

That I can do - thx much! :-)


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