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 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 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.
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…