“The leaves of my peonies are covered with what appears to be a white mold, with some of the leaves even turning brown already. What is this problem, and will it affect the plants next year? Should I ...

Catch this troublesome disease early.

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 ...

You might be noticing powdery mildew (a disease that causes a grayish, powdery film on leaves) in your garden. Common plants that could be affected are lilacs, phlox, bee balm, zinnias and nannyberry ...

Due to California’s dry summers, powdery mildews are more prevalent in Marin County than many other leaf-infecting diseases. These fungi affect virtually all kinds of plants: cereals, grasses, ...

You aren't the only one looking to get the most out of your plants and shrubs. Fungi, bacteria and pests are after them, too.

"We now know these mechanisms." Researchers make breakthrough in fight against major threat to food supply: 'We can take more effective action' first appeared on The Cool Down.

When powdery mildew pops up on your roses, here's get rid of this common plant disease fast. Powdery mildew appears as white or gray spots on roses, usually during warm, humid conditions. Catching ...

A new North Carolina State University study pinpoints the worldwide spread of a fungus that taints blueberry plants with powdery mildew, a disease that reduces blueberry yield and encourages the use ...

A bit of prevention goes a long way in minimizing insect and disease problems in the garden. A holistic approach known as "Plant Health Care" starts with proper plant selection and care and ends with ...

‘The leaves on my tall garden phlox are covered with something white and they are looking bad. What can I do about this?” — N.K. Sounds like your phlox has come down with a disease called powdery ...