Leaves thickened or fleshy, turn pale green or whitish: Leaf and flower gall (Exobasidium) 2. If any of these are lacking or incorrect, your azalea will quickly begin to struggle. Lace bugs/Spider mites. A Leaves and flowers may fall off an azalea that has been exposed to draughts, watered erratically, or if the rootball dries out. What really has happened is that an insect called lace bug found the azalea and launched a very vigorus attack. Azalea Lace Bugs Although damage from lace bugs causes leaves to turn more speckled gray or white than brown, the damage from the bugs may ultimately cause a dieback disease … Azalea Leaves Turning White - Knowledgebase Question. Azaleas are a joy to see in any garden, but have you ever encountered the frustrating problem of the leaves turning pale green to yellow. For example, look out for azalea lace bug on the leaves. The leaf tops develop stippling that makes them look pale gray. Azalea flowers can turn brown for a number of other reasons as well. One of the most common problems with azaleas is the ‘black spots’ that appear on the foliage. Diseased leaves may drop prematurely. A while back, I noticed that two bushes adjacent to each other had some yellow leaves, but I didn't think much of it. They're "evergreen" shrubs, but that doesn't mean the leaves can't turn bronze or even mostly brown and still be healthy. Our soil Ph tests at 6.5. I used to wear it often. This happens every year around July on otherwise healthy bushes. Run a finger or a white facial tissue over the upper surface of a leaf for orange-yellow colored stain that … I have a south facing garden but they are up against the fence at the end of the garden, so north/west facing. If  you already have an infestation of Lace bug, you will need to spray your azaleas with a insectide like malathion. Diseased leaves may drop prematurely. Rhododendrons and azaleas are some of the most popular spring-flowering shrubs in the landscape, and healthy plants can give years of pleasure. They were lovely and green when I bought them and I have planted them in a shady spot. Every spring, summer and fall, a customer will bring an azlaea leaf to us with this white lacy look. In clothes? They all get the same amount of sun. The secret of success with azaleas is keeping the compost moist at all times. Leaves eaten or chewed at margins in half-circle pattern: Black vine weevil: D. Leaves distorted: 1. A white, cottony growth will develop at the base of the infected hosta and in the surrounding soil. With excess moisture, the tips turn black first, then leafy plates and the affected leaves fall off. Soapy water doesn’t usually control this type of sucking insect. However, that is a mis-conception. The nymphs are blackish in color with spiny protrutions and no wings. I can't believe it Where do those green leveas come from? … Azalea lace bugs feed on leaves, creating speckled areas on the leaf surface. There is about twelve feet between my house and garage so it … Using a systemic insectide on your azaleas will keep the plant from incurring this kind of damage. For at least part of the day, you should expose the tree to indirect sunlight to prevent the leaves turning brown. However, a heavy infestation will cause the leaves to turn brown and drop pre-maturely thus eventually causing the plant to decline and then die. A: It’s cranberry rootworm. Leaves turn light green to yellow, then creamy white between the veins, while the veins remain green. This insect uses it's piercing-sucking mouths parts on the underside of the leaves to withdrawn chorophyll from the plant. Flower Shop Network is your source for finding a real local florist. Cheers x . 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