Canadian Hemlock - Knowledgebase Question

Sussex, NJ
Question by fshymn
October 22, 2005
I own a small lot with a large number of dead hemlock. I am replanting with a variety of evergreens but also purchased a number of Canadian Hemlock. Question is: Are these hemlocks just as succeptable to the wooly adelgid as native hemlocks? I live in New Jersey. Thank you,

Julian


Image
Answer from NGA
October 22, 2005

0

I'm afraid all hemlocks are susceptible to attacks from wooly adelgids. If you can treat the problem before the population explodes, you can control it. This is fairly easy on newly planted trees, but mature specimens will need to be sprayed by professionals with the proper equipment. Wish I had better news for you!

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