Question: I have a Valencia seedless orange tree that I set out about 40 years ago. The fruit has always been sweet and juicy. But the past couple of years, the oranges are larger with thicker skin, ...

Whether you’re a novice or avid gardener, discovering your greenery is dealing with a disease is never a pleasant surprise. One frequent problem that often pops up during the warmer months: powdery ...

Prevention is key to managing this widespread plant disease. Powdery mildew is a common fungal disease that affects a wide range of plants, identifiable by white to gray powdery spots on plant ...

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, ...

On languid summer days, a milky, sometimes splotchy film of dusty white or gray often creeps over the leaves of trees, shrubs and perennials. This is powdery mildew, one of the most common ...