Japanese holly has a mounded, upright shape. 3. Remove dead or damaged wood. Dead and damaged branches are an open door for pests and diseases to make their way into your plant, so prune them out ...

There are some types of holly plants that turn into large trees ... tall and is virtually pest-free. It is a landscaper's dream. Ilex Glabra "Shamrock" is available in the Gardening Know How ...