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Articles listed under “fungus”

Anthracnose — April 14, 2009

When anthracnose strikes after a cool, wet spring, you’ll find irregular dark blotches on leaves.

Septoria leaf spot — August 19, 2008

Septoria leaf spot is a common fungal disease that can affect black-eyed Susans. It begins with brown-black spots on the leaves.

Botrytis on peonies — July 22, 2008

Peony bushes can suffer from a variety of fungal diseases and Botrytis is a big one

Verticillium wilt — July 1, 2008

If the leaves of your annual flowers and vegetable plants seem to be yellowing and curling, your garden may be infected with verticillium wilt.

Damping off — February 26, 2008

Damping off can be a problem for gardeners who start seeds inside. It is usually caused by cool, damp soil.

Stinkhorn fungus — January 8, 2008

It might look like an alien life form, but it’s just a stinkhorn fungus, either an elegant stinkhorn (Mutinus elegans) or a dog stinkhorn (Mutinus caninus).

Black knot fungus — December 11, 2007

When the leaves are off the trees, these grotesque, black swellings are easy to spot.

Lawn rust — September 18, 2007

Late summer and fall is prime time for rust, a fungal disease of turf grass. It happens during warm, humid weather.

Pink snow mold — August 28, 2007

Ever notice a pink slime on your lawn in spring? It might be snow mold. This fungus attacks grass at temperatures between 40 and 60 degrees.

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.