If you've started to notice tiny, white, powdery, or splotchy spots on your plants, you might be dealing with a common fungal disease known as powdery mildew. While it typically doesn't cause ...

“My red rhododendron looks as if it has a layer of ash or white powder on it (above). What should I do?” asks Birds & Blooms reader Steven Graves of Aptos, California. Horticultural expert Melinda ...

When tending to your garden, you'll want to make sure that your plants are in good, healthy standing. One thing to monitor your plants for is powdery mildew, a fungal disease that can easily infect ...

Powdery mildew appears as white or gray spots on roses, usually during warm, humid conditions. Catching infections early is key to stopping them from spreading by removing diseased parts and applying ...

This column is written by the Master Gardeners of Yolo County each month. It provides answers to selected questions recently ...

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 ...

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 ...

Powdery mildew is a fungal disease encountered by many Nebraska gardeners every year. Powdery mildew affects annuals and perennials, both herbaceous and woody, and damage ranges from an unsightly ...

A stunning mixture of pink and purple hydrangeas - Fanpro/Getty Images Hydrangeas are a favorite flowering shrub among gardeners. With their dark green leaves and big, showy blossoms in shades ranging ...

ARE THE LEAVES of your lilac, zinnia and phlox turning white? The dry summer we had this season was the perfect environment for breezes spreading the disease-causing spores of powdery mildew. Powdery ...

Both in neighboring home gardens and at my own home these days, I am seeing powdery mildew. Powdery mildew is a disease that causes a grayish, powdery film on leaves, but it is nothing to worry about ...