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Plant Diseases/Mountain Laurel


We have hundreds of Mountain Laurel on our property.
We have been using Holly Tone as a fertilizer.
This Spring the Laurels we pruned turned yellow and very spotty and look as if they are dying.
Need to keep this disease from spreading to other Laurels & Azaleas nearby.
Other Laurels are also very spotty- reddish, brown spots.
Please send some advice ASAP!
Thanks so much!
P.S.-We live in Southern CT.

Sounds like leaf spot disease. Here is a link to information on this disease.

It can be treated with a fungicide depending on the number of plants to treat. Here is the recommendation on the fungicides to use.
It is important to use the management guidelines like raking all the infected leaves and removing them from the property and use the fungicide spray.  

Plant Diseases

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Jim Hyland


30 years experiance in the ID and management of forest diseases and ID of landscape tree diseases.

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