White Spots on Holly Bush Leaves and Stems
One of my Holly bushes has white spots on the leaves and stems. The leaves below are dying and above are still green, but still have white spots. We have another Holly bush on the other side of our front door, same exposure etc. , and it is in perfect condition. What can be done?
Sounds like a classic case of scale, treatable with horticultural oil. This article should also be of help: