Articles listed under “disease”
Fireblight — November 20, 2007
This aptly named infectious disease makes a tree look scorched, with leaves and stems withered to brown or black.
Blackspot on roses — November 6, 2007
The name says it all. This fungal disease causes black spots with fringed margins and a yellow halo on leaves.
Crown gall — October 9, 2007
A good word to describe crown gall on roses and other ornamental plants is “yuck.” The lumpy growths around the base of the plant are unattractive, to say the least.
Powdery mildew — July 3, 2007
In mid- to late summer, you may notice a gray-white film on a plant, and the plant may begin to lose leaves. The culprit is powdery mildew. You’re most likely to see this problem on roses, phlox, zinnias, bee balm and lilacs.
