Is it a rhododendron or an azalea? It can be puzzling because all azaleas are rhododendrons, but not all rhododendrons are azaleas. Both plants are woody, rounded shrubs in the Ericaceae (blueberry) ...

Q:One of my PJM rhododendrons has yellow leaves while the other two have green leaves. The leaves on the yellow plant have dried up completely. What could be wrong? A:Rhododendron is an acid-loving ...

CORVALLIS — Rhododendrons and azaleas herald spring in Oregon. And spring is a good time to give these beautiful shrubs the care they deserve. There are a number of things home gardeners can do to ...

Q: The leaves on my rhododendrons on the north side of my home in Northwest Arkansas are turning yellow and have brown spots [the reader sent a photo].

Chlorotic (a yellowing of the leaves) azaleas and rhododendron are a common sight in the Indiana landscape. The term chlorosis gets its name from the lack of chlorophyll, the pigment responsible for ...

The Arnold Arboretum of Harvard University discovers and disseminates knowledge of the plant kingdom to foster greater understanding, appreciation, and stewardship of Earth’s botanical diversity and ...

THERE’S A NEW pest in town. I’ve been receiving more and more questions about an insect that is ruining the appearance of rhododendrons and azaleas. If you’ve noticed that the leaves on these plants ...