What causes the tips if the leaves to turn brown and then fall off?
Red Granite Winterberry Holly
Certified GKH Gardening Expert
Leaf tips often turn brown when the plant's roots are having trouble absorbing water or are exposed to excessive fertilizer or salt. This article will help: https://www.gardeningknowhow.com/plant-problems/environmental/what-causes-brown-edges-on-leaves-of-plant.htm