Azalea Plants
Q.

Azaleas

Anonymous added on April 5, 2014 | Answered

I have 3 bushes. Only one is blooming. Others have black spots on leaves. What should I do?

A.
A.Answers to this queston: Add Answer
Nikki
Certified GKH Gardening Expert
Answered on April 5, 2014

If the spots are on the outer side of the leaves and surrounded by a yellowish looking halo, then it's most likely the result of a fungus, which can be treated with a fungicide. If the spots are on the backside of the leaves and resemble specks or dots, then it's likely caused by a pest of some sort, like lacebugs. I would treat the shrubs with neem oil, which is both an insecticide and fungicide. Here is more info: https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm

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