Problem: Powdery mildew leaves a telltale white dusty coating on leaves, stems and flowers. Caused by a fungus, it is a common plant disease that affects a number of plants, including lilacs, apples, ...

Plant diseases are likely to make an appearance in just about any garden from time to time. Most are nothing to worry about and can be avoided or minimized by giving your plants the right care and ...

Tomato disease can be traced to one of four causes: fungal, bacterial, viral, and environmental. Learn to identify them and fight back.

All plants are susceptible to disease, which can be caused by both living organisms and environmental conditions. Todd Steinlage, a plant pathologist with the Alaska Plant Materials Center, will ...

Given that the current weather forecast has cooler-than-normal temperatures and that most gardeners have planted flowers in the landscape, we may see botrytis cropping up in the next few days.

Plus, how to prevent and treat it.

Add Yahoo as a preferred source to see more of our stories on Google. Olga Seifutdinova / Getty Images Seeing your cucumber leaves turning yellow can indicate that the cucumber plants are stressed by ...

Plant diseases occur in most gardens. Many happen on a yearly basis, others sporadically. Why disease occurs often is dependent on weather. In fact, there are three conditions that must exist for a ...

Master Gardeners offer diagnostic services and educational resources to help gardeners identify and control plant diseases and pests. Home gardeners across the commonwealth may be stumped by the ...

What a month we have had. Rainfall has been spotty – plentiful in parts of the state but bone dry in others. A rain gauge is an important tool in the garden. In addition to rain, many parts of ...