Holly Bush Infestation
My holly bushes have white fuzzy balls underneath the leaves and is causing them to turn brown and drop off. What is this insect, and how do I get rid of it?
Certified GKH Gardening Expert
It sounds like mealy bugs or scale. Either one can be treated with neem oil. These articles will help: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm