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 ...

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Rhododendrons are beloved flowering shrubs known for their spectacular clusters of blooms and glossy, dark green leaves.

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.

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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.

This genus of plants, called Rhododendrons, evolved so that they could all blossom without competition in the same valley.

Rhododendron flowers bloom in Nepal. | Aditya Pal, CC BY-SA 4.0, via Wikimedia Commons Rhododendrons belong to the family Ericaceae and are primarily trees of the mountains.