Asked by: Yarissa Hockendorff
asked in category: General Last Updated: 5th March, 2020

How do you treat azalea bark scale?

Scale treatment options
If azalea bark scale is found, Michigan State University Extension recommends spraying infested plants with a 2 percent concentration of a horticultural oil in mid-July. Spray after the azaleas are done blooming to avoid spraying over bees and other pollinators, and to avoid flower injury.

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Also know, what is the white stuff on my azaleas?

If so, you have a fungus called powdery mildew. Your local garden center will have a general purpose fungicide that will work for well on powdery mildew. If the white on the leaves is more of a lacy pattern on the leaf that can not be wiped away, your azalea has been attacked by an insect called lace bug.

One may also ask, how is Azalea fungus treated? Prevention & Treatment: Remove fallen leaves. Keep leaves dry when watering plants. Fungicide sprays during periods of high humidity will prevent serious foliage damage. Fungicide sprays recommended for azaleas include copper hydroxide, copper-based fungicides, thiophanate-methyl or chlorothalonil.

Also to know is, what do you spray azaleas with?

But one application of a systemic insecticide containing imidacloprid or acetamiprid in late to mid spring will kill the later emerging nymphs as well as the earlier ones before they reach adulthood. An organic control is horticultural soap.

Why is my azalea turning black?

Black branches are the result of mold growing on the honeydew excreted by this azalea pest. Azalea bark scale looks like, and is often mistaken for mealybugs. The azalea bark scale is tiny, but her effect, as seen on your azaleas turning black, is terrible.

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