When to Trim Boxwoods. The best time to prune or trim evergreen shrubs like boxwoods is mid- to late-spring. Trimming too early in the year can kill the plant in cold climates.

Flowering shrubs that bloom in summer or early fall (i.e. butterfly bush, caryopteris, rose-of-sharon, panicle hydrangeas, etc.) are best pruned at the end of winter (going into the new growing season ...

The best time to prune severely is when spring growth begins, generally in mid-February to mid-March. Renewal pruning should result in abundant new growth by mid-summer.

Midwinter is an excellent time to get outdoors and prune shrubs. “You can prune shrubs any time, but it’s often easier when they are leafless and dormant,” said Julie Janoski, Plant Clinic ...

Boxwoods are hardy evergreen shrubs that are valuable for forming borders for driveways and walkways for formal and contemporary homes. Learn when to trim boxwoods and how best to do it for a neat ...