Plant Disease Diagnostics Clinic

The disease names are listed under the plant names. Click the disease name to open the fact sheet in a new window.

Alfalfa

Allegheny pachysandra

Apple

apples

apricots

Ash

aspen

Aster

azalea

basil

Bok Choy

broccoli

Brussels sprouts

Cabbage

carrot

Carrots

Cauliflower

cherries

Cherry

Chinese Lilac

Common Lilac

Coreopsis

Crabapple

Crocus

cruciferous

cruciferous vegetables

cruciferous weeds

Cucumber

cucumbers

cucurbits

eggplant

eggplant and pepper

elm

European or common boxwood

Hawthorn

Iris

Japanese Lilac

Japanese littleleaf boxwood

Japanese pachysandra

juglone

kale

Korean littleleaf boxwood

lemon basil

lilac

Maple

Marigold

Melon

melons

Mountain-ash

mulberry

nectarines

Peach

peaches

Pear

peony

pepper

Persian Lilac

Plum

poplar

Potato

Pumpkin

pumpkins

Purple Coneflower

rhododendron

roses

rutabaga

shepherd’s purse

spice basil

Squash

Strawberry

sweet basic

Sycamore

Thai basil

Tomato

turnip

vine crop

Walnut

watermelon

White Oak

Wisconsin apples