Hollyhock Diseases

There are brown scale looking things on the back of my hollyhock leaves. They are still blooming, but the lower leaves are dying. I live in deep southwest Louisiana. What is this, and what do I do to stop it?

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1 Comment To "Hollyhock Diseases"

#1 Comment By Nikki On 05/24/2011 @ 8:12 am

This is scale and can be treated with neem oil. These articles will help: https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm ^[1]
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm ^[2]

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[1] https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm: https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm

[2] https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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