Shrub Problems
Q.

shrub with black spots

GEO added on August 8, 2012 | Answered

I have a shrub that has black spots the size of a dime. The spots are brittle and dry.

A.
A.Answers to this queston: Add Answer
Nikki
Certified GKH Gardening Expert
Answered on August 9, 2012

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. I would treat the shrub with neem oil, which is both an insecticide and fungicide. Here is more info: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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