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 ...

FORT WAYNE, Ind. (WANE) — Now is the time of year, you’re likely to notice problem insects and plant diseases in your garden. With warmer than average temps, the threat of drought, notwithstanding ...

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 ...

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 ...

The leaves on this rosebush turned brown and the blossoms dried up due to gray mold and “black spot.” Photo courtesy UC Master Gardeners. If you’re a gardener in Santa Clara Valley and the Peninsula, ...

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, ...

Powdery mildew is a fungal disease which attacks thousands of different species of plants. This common foliar disease seems to be flourishing in Greater Columbus this summer, as we have identified it ...