Guide to Garden Pests and Diseases

Guide to Pests and Diseases
Click on pest or disease below for a detailed description and remedy. The quick guides are still in development.

Alternaria Leaf Blight (Cucurbits)

Angular Leaf Spot (Cucurbits)

Anthracnose (Beans)

Anthracnose (Cucurbits)

Anthracnose (Tomatoes)


Apple Maggot

Apple Scab

Bacterial Brown Spot (Beans)

Bacterial Spot (Peaches)

Bacterial Wilt (Cucumbers)

Bean Leaf Beetle

Black Spot (Roses)

Blister Beetle

Blossom-End Rot (Tomatoes)

Brown Rot (Peaches)

Cabbage Looper & Cabbage Worm

Cabbage Maggot

Carrot Weevil

Cedar-Apple Rust

Codling Moth

Colorado Potato Beetle

Common Bacterial Blight (Beans)

Cucumber Beetle


Damping-Off (Lettuce)

Downy Mildew (Cucurbits)

Downy Mildew (Onions)

Downy Mildew on Roses

Early Blight (Potatoes & Tomatoes)

European Corn Borer

Fire Blight (Apples & Pears)

Flea Beetle

Fusarium Basal Rot (Onions)

Fusarium Root and Crown Rot (Tomatoes)

Fusarium Root Rot (on Beans)

Fusarium Root Rot (Peas)

Fusarium Wilt (Cucurbits)

Fusarium Wilt on Tomatoes

Gray Mold (Beans)

Gray Mold (Tomatoes)

Gypsy Moth

Halo Blight (Beans)

Iris Borer

Japanese Beetle

Late Blight (Tomatoes)


Mexican Bean Beetle

Mite and Spider Mite

Neck Rot (Onions)

Onion Thrip

Peach Leaf Curl

Pear Scab

Plum Curculio

Potato Leafhopper

Powdery Mildew (Roses)

Pythium Root Rot (Damping-Off) Beans)

Pythium Root Rot (Damping-Off, Seed Rot) (Peas)

Pythium Rot (Damping-Off, Stem Rot) on Tomatoes

Pythium Wilt (Lettuce)

Rhizoctonia Root Rot (on Beans)

Root-Knot Nematodes

Rust (Roses)

Scab (Cucurbits)


Septoria Leaf Spot (Tomatoes)


Soft Rot (Onions)

Sooty Blotch and Fly Speck Apples & Pears)

Spinach Leafminer

Squash Bug

Squash Mosaic Virus (Cucurbits)

Squash Vine Borer

Vine & Root Weevils


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