Azaleas come in a huge variety of cultivars that offer blooms in a range of colors, but there are also a number of diseases that can damage these shrubs. The likes of gall, rust, blight, mildew, rot ...

The unusual spring weather is causing all kinds of plant problems. One that has recently been brought to the attention of gardeners is azalea leaf gall. This plant disease is caused by an infection of ...

Q. When cutting back one of my older azaleas, I found a strange growth on a few of the developing leaves. The leaf is deformed and surrounded by a whitish, wax-like growth. Should I be concerned? If ...

Have you noticed an azalea or a camellia whose leaves are two to three times the normal size and are thick and fleshy? They have leaf gall. Leaf gall is a very common disease that affects camellias ...

Spring has sprung and gardeners are digging in. Got questions as you carry on? Get answers from Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU ...

For several years, I have been dealing with a common problem that specifically affects camellias called camellia flower blight and caused by the fungus Ciborinia camelliae. In the spring when the ...

A: This is caused by a fungus that has been relatively common this spring. The fungus Exobasidium vaccinii causes leaves and flowers to become swollen or thickened, curled and waxy in appearance. This ...

Q: Our azaleas were very healthy and then several branches on one plant started drying up. After a few days, the leaves fell off the branches. I have sprayed them with a product that contains an ...