Category Archives: Lawn and Garden

Most Un-Wanted: Hemlock Woolly Adelgid

by Thayer Nursery

The hemlock woolly adelgid (HWA) is an insect native to East Asia that feeds by sucking sap from hemlock trees. It is a destructive pest that poses a major threat to both the eastern and the Carolina hemlock. Hemlocks are a vital component of the New England forest system, providing erosion control along stream banks, [...]

There’s a Fungus Among Us!

by Thayer Nursery

Last week’s heavy rain and this week’s high humidity created the perfect conditions for fungi to invade lawns. While out spraying fertilizer and fungicide as part of our Organic Lawn Program, we noticed infections in many lawns! Now is a great time to scout your lawn for irregular brown patches, unsightly gray splotches, stringy red [...]

Impatiens Downy Mildew (IDM)

by Thayer Nursery

I am sure that more than a few of you depend on impatiens to provide season-long color in shady containers and beds. The latest news concerning them may leave you feeling a bit frantic! Impatiens Downy Mildew (IDM) was diagnosed on flowering impatiens in Massachusetts for the first time in 2011 and then devastated plantings [...]