Add Yahoo as a preferred source to see more of our stories on Google. A stunning mixture of pink and purple hydrangeas - Fanpro/Getty Images Hydrangeas are a favorite flowering shrub among gardeners.

Powdery mildew is a fungal disease affecting many plants, causing a white or gray coating on leaves and slowing growth. The fungus thrives in warm, dry weather with high humidity, especially in ...

Your description sounds a lot like powdery mildew, which is an easy disease to recognize, and it is common in the landscape at this time of year. It can be a problem that shows up on annuals, ...

Powdery mildew, predominantly caused by Podosphaera macularis, continues to be a critical challenge for hop (Humulus lupulus) growers, affecting both yield and quality. The disease exhibits a complex ...

URBANA, Ill. — The summer is always a little brighter in the garden when brightly colored zinnias are among the various plants. Zinnias are heat and drought-tolerant plants that attract a variety of ...

Question: What is this white coating on the leaves of my chokecherry tree, and what would you recommend to get rid of it? Answer: The likely culprit for those symptoms at this time of year in New ...

The grayish white powdery growth you are seeing on the dahlia leaves is caused by a fungus and can also be a common garden problem on other plants. Many species of fungi can cause powdery mildew on ...

Hydrangeas are a favorite flowering shrub among gardeners. With their dark green leaves and big, showy blossoms in shades ranging from blue to deep pink, they can easily steal the spotlight in any ...