Feb 16, There are a few reasons leaves fall off an azalea plant. Check the soil and see if it’s moist or dry.
You want to be able to roll the soil into a ball, but not be able to azalea bush leaves falling off water out of it. This will give you an idea on if your plant needs more or less water, or if there’s a different problem. Azaleas also like bright light, so if the. May 11, Spider mites appear in low humidity. You will find cobwebs on stems and leaves.
They cause azalea leaves to dry out and then fall off. How to Fix. You should inspect the plant regularly to find out any symptoms of insect infestation.
If you find any then you Estimated Reading Time: 7 mins. May 19, There are a few insects that will attack azalea and can cause the leaves to fall off. Lace bugs will give the azalea leaves a lacy pattern and can cause some of the leaves to drop off. Correction for this problem is to use the appropriate insecticide and a treatment of fertilizer. Some insecticides and pesticides if not used properly can cause azaleas to drop their leaves. Rochester stump grinding, 1821 Billerica MA leaves that turn brown and drop off during the summer months may be warning you that your plant is getting either too much water or not enough.
Azalea lacebug. Upper surface of leaves has a gray, blanched, or coarse-stippled appearance.
The undersides of the leaves become discolored by excrement and cast skins. Spray undersides of the leaves with Malathion, dimethoate (Cygon), or acephate (Orthene).
Repeat application every 10 days until control is obtained.