Blossom End Rot
Blossom end rot is a physiological disorder of tomato where the blossom end of the fruit breaks down and rots. It can also affect peppers, eggplants and squash. Learn about control in this factsheet.
Diseases & Disorders
Downy Mildew
The downy mildews are a group of fungal diseases that cause destruction of the leaves, stems, flowers and fruits of many plants, including grapes, cucumbers and roses. Learn symptoms and controls in this factsheet.
Late Blight
Late blight is a destructive disease of tomatoes and potatoes that can quickly kill mature plants and make tomato fruits and potato tubers inedible. This factsheet covers symptoms and management.
Black Walnut Toxicity
Black walnut trees produce a toxic substance (called juglone) that prevents many plants from growing under or near them. Learn more about this compound and how to work around it in this factsheet.
Aster Yellows
Aster Yellows is a chronic, systemic disease that affects flowers in the aster family as well as some vegetables. Symptoms vary, and include unusual growth and colors. Learn more in this factsheet.
Damping Off
Damping off is a common and fatal disease of all types of plant seedlings, infecting them near the soil line causing them to collapse quickly. Learn how to avoid damping off here.
Cucumber Beetles
In late summer and fall, cucumber beetles are common visitors to squash and cucumber flowers. They eat the petals, and sometimes the plant foliage. To learn more about these beetles, read this article…
