GOOD NEWS! The recent cold snap is having a negative impact on the invasive hemlock wooly adelgids in the Smokies. Since 2002 this insect has killed millions of hemlock trees in the U.S. Biologists in the Great Smoky Mountains report that the recent spell of frigid temperatures has killed off overwintering hemlock adelgids. Over 15 […]
Archive for the ‘Hemlock woolly adelgid’ Category
Pest Alert: Deep Freeze Negatively Impacts Hemlock Adelgid Populations in the Smokies
Posted by Hugh on January 12th, 2018
Posted in Environmental issues, Garden Problems, Hemlock (Tsuga), Hemlock adelgid, Hemlock woolly adelgid, Insect (Pest) Problems, Insect suseptible, Pests, Purchasing Plants, Southern Appalachian Region 
Comments Off on Pest Alert: Deep Freeze Negatively Impacts Hemlock Adelgid Populations in the SmokiesPromising Hemlock Adelgid Research
Posted by Hugh on July 2nd, 2012
Proper care of hemlock trees is important for their survival. Hot dry summer weather appears to slow population growth. During periods of severe drought, shallow rooted hemlock trees should be irrigated. Prune dead and dying branches from trees to promote new growth. Also, limit the amount of nitrogen fertilizers to hemlock(s), as it promotes heavier […]
Posted in Evergreens, Hemlock (Tsuga), Hemlock woolly adelgid, Native Plant, plant nutrition, Southern Appalachian Region, watering tips Comments Off on Promising Hemlock Adelgid ResearchPest Update – More Pesticide Options Available Against Hemlock Adelgid
Posted by Hugh on June 29th, 2012
You may be able to prevent or save tree and shrub hemlock(s) from woolly adelgid. This serious pest has two generations per year. The first generation hatches in March and April from overwintering adults (as many as 300 eggs per adult) in white cottony masses on the small twigs. The crawlers (nymphs) hatch and feed in […]
Posted in Hemlock (Tsuga), Hemlock woolly adelgid, Insect (Pest) Problems, Native Plant, Southern Appalachian Region Comments Off on Pest Update – More Pesticide Options Available Against Hemlock Adelgid
