Discolored Azalea Leaves - Knowledgebase Question

Name: donna mcarthur
Absecon, NJ
Avatar for dmcarthu
Question by dmcarthu
September 24, 1998
The leaves on all my azaleas are turning color. The new growth is healthy and green, but the older leaves are all turning a pinkish/brownish color. It started out with one or two plants, but now six plants are affected. I give them Hollytone in the spring and late fall. My soil is naturally somewhat acid. What could be causing this problem, and how can I treat it?

Answer from NGA
September 24, 1998
It sounds like you are taking good routine care of your azaleas. Unfortunately, based on your description it is impossible to give you a definite diagnosis of the problem. The cause might be a simple as drought stress, but it might easily be any one of a number of diseases which attack these plants. You might wish to take a sample to your County Extension for a positive identification of the problem and suggested controls. Their telephone number is 625-0056.

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