Answer: It doesn't sound as though your Azalea is very happy at all! It would be happier in a location that is shaded during the afternoon. In fact, morning sun and afternoon shade would suit it to a "T". Moving your azalea should take care of the browning foliage and off-color flowers. As for the moldy white look, if the affected leaves also appear swollen or fleshy, you may be dealing with Azalea Leaf Gall. It's a fungal disease, and quite common in the Pacific Northwest. Prune away the infected foliage to stop the spread. Pruning will also open up the plant to better air circulation which will help control fungal diseases. Best wishes with your azalea!
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