Garden Pests and Diseases: lilac- disease or bug?, 1 by mimicodeb
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Image Copyright mimicodeb
Subject: lilac- disease or bug?
Forum: Garden Pests and Diseases
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mimicodeb wrote: discovered this white foamy substance on my lilac - not sure how old the tree is but it was likely planted around the time the house was built - about 60 years ago the yellow jackets & flies are attracted to it so it's possible that it is sap any help with identifying the cause and possible cure appreciated |