Tree and Shrub Diseases

Cherry brown rot

Cherry brown rot

Powdery mildew

Powdery mildew

Apple scab

Apple scab

Sooty mold

Sooty mold on camellia

Phytophthora root rot

Phytophthora, Root rot

Black spot

Black spot on roses

Rust

Rust on blackberry

Shot hole disease

Shot hole disease

Canker

Canker

Verticillium wilt

Verticillium wilt

Dogwood anthracnose

Dogwood anthracnose

Articles and suggested links

Dormant season plant healthcare treatments

With the leaves down and your harvested fruit all canned, pressed or fed to local wildlife, its time to consider wintertime care of your trees and plants. Pruning can be done anytime between leaf fall and the first signs of budding in late winter. Early winter is probably best, so you can enjoy the fruits…

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Cankers

Canker generally refers to many different plant diseases of such broadly similar symptoms as the appearance of small areas of dead tissue, which grow slowly, often over years. Some are of only minor consequence, but others are ultimately lethal and therefore of major economic importance in agriculture and horticulture. Their causes include such a wide…

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