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?
Certified GKH Gardening Expert
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