Q.What Are the 1/4 in Long White Things on the Leaves of My Holly Bush
How can I get rid of them? They seem to be stuck like glue. It also has a problem with yellowing leaves that drop off after awhile. Help!
Sounds like scale. These articles should help: https://www.gardeningknowhow.com/ornamental/shrubs/holly/diseases-of-holly-bushes-pests-and-diseases-damaging-holly-bushes.htm
https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm
Yellowing and dropping holly leaves is a normal occurrence in the spring. As new growth flushes, older leaves are released by the plant. Usually about 10% of the foliage will drop.