How to Treat Hemlocks for Hemlock Woolly Adelgid

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Visit savehemlocksnc... for more information or to contact the Hemlock Restoration Initiative.
The objective of the Hemlock Restoration Initiative (HRI) is to restore eastern and Carolina hemlocks to their native habitats throughout North Carolina and to mitigate damage to hemlocks caused by infestation of the hemlock woolly adelgid (HWA). More specifically, our goal is to work with a variety of partners and current restoration initiatives to ensure that eastern and Carolina hemlocks can resist the deadly hemlock woolly adelgid and survive to maturity on North Carolina’s public and private lands.
Written instructions for soil drench application and other helpful resources can be found at savehemlocksnc...
Other Resources:
NC Cooperative Extension Service: www.ces.ncsu.edu/
Find your County Ranger's office at www.ncforestse...
Funding for this project was provided in part through an Urban and Community Forestry Grant from the North Carolina Forest Service, Department of Agriculture and Consumer Services, in cooperation with the USDA Forest Service Southern Region.

Опубликовано:

5 окт 2024

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@andrewmeadors936 Год назад

We transplanted more than 50 Hemlocks beginning in the early 1990s on our property. The Woolly Adelgid showed up about four years ago. I noticed the infestation on the very lower branches in the early spring of 2019 of a few trees. I sprayed them with a soapy mix (off the shelf) which seemed to help. But, I did research and learned about the chemical to treat them (derivative from nicotine, imidacloprid, as I understand). I wanted to experiment rather than dig trenches or attempt spraying. So, I sprinkled the approximate amount of chemical around the trees about two to three feet away from the trunk (no digging). Using water from a well on my property, I set-up a sprinkler to wet the ground around the trees (about 15 gallons per tree). There was zero run-off from the watering process. Anyway, today, (September, 2023) my trees are disease free. I plan to re-treat them in the spring of 2024.