Learn what powdery mildew on plants looks like and what causes this fungal disease. A garden expert explains the best treatments for powdery mildew.

When rhododendrons bloom, you have another way to identify them, as all rhododendron flowers have five lobes. They are bell- or funnel-shaped, and they come in a variety of colors, mostly white ...

Using sanitary practices in the garden is the best way to control this disease: • Remove and dispose of fallen, old and infected flowers. • Do not add camellia, azalea or rhododendron petals ...

Rhododendron flowers normally have at least 10 or more stamens - the pollen-producing organs - while azaleas have just five or six. Azaleas clusters grow in about three flowers at the end of one ...

A young rhododendron that hasn't yet flowered might just need another year to root. But it also could be a stress, such as lack of light or a soil-nutrition issue.

The PJM rhododendron, a small-leaf one, is in full flower, and the leaves look great. Many of these smaller-leaf plants seem to have fared well through the winter.

Deadheading prevents the rhododendron flowers from doing to seed. Deadheading is the simplest form of pruning, it will encourage your rhododendrons to put their energy towards new growth as ...

Over 200 different species of rhododendrons can be found high up in the Hengduan Mountains. Known for its biological diversity, the region is home to an estimated 12,000 species of flowers.