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Healthy hemlocks.

Posted by njoasis 7 (My Page) on
Tue, Jul 3, 12 at 16:53

Just what is the status with hemlocks and wooly adelgids. I have a long-established island planting of several trees that I inherited. I removed the lowest branches, thinned the strand somewhat and underplanted with ferns. They seem healthy despite years of floods, drought and record heat. I really do very little for them yet they look terrific. Are all hemlocks doomed, is the concern exaggerated, are some immune to the adelgids, should I be spraying--I hate to use pesticides. Occasionally I will see a branch with the wooly critters but I just use the hose to wash them off but 99% of the trees have been free of the pest for the several years that I have been living with them. Thanks in advance.

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RE: Healthy hemlocks.

  • Posted by beng z6b western MD (My Page) on
    Wed, Jul 4, 12 at 12:52

It varies. I've seen nearby hemlocks affected & even killed, but others have weathered the infestation & for the time being, the adelgids have seemingly disappeared. I'm in an area where the initial "wave" has passed by heading west.

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