How to prune rocky mountain bristlecone pine

Late winter to early spring, before new growth emerges. Prune dead or damaged limbs back cleanly to the branch collar using sanitized loppers. Avoid cutting into live, green wood — this species does not bud back readily from old wood.

Rarely — as needed for dead or damaged wood only. Rocky Mountain Bristlecone Pine is an extremely slow-growing, long-lived conifer that requires almost no pruning. Remove dead, diseased, or storm-damaged branches only. Its distinctive bottle-brush needle clusters and naturally irregular silhouette are best left untouched — shaping or tipping healthy shoots serves no benefit.

Prune dead or damaged limbs back cleanly to the branch collar using sanitized loppers. Avoid cutting into live, green wood — this species does not bud back readily from old wood.