Archive for the ‘Hemlock woolly adelgid’ Category

Promising Hemlock Adelgid Research

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 […]

Pest Update – More Pesticide Options Available Against Hemlock Adelgid

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 […]