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. Another light trimming is allowed by mid ...

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 ...

Q.: What is the best time to trim boxwood and how much should be trimmed? Also, what about timing on trimming rose of Sharon? Don Hoenes, Union City A.: Assuming the boxwood is several years old ...

Q.: What is the best time to trim boxwood and how much should be trimmed? Also, what about timing on trimming rose of Sharon? Don Hoenes, Union City A.: Assuming the boxwood is several years old ...

the expert said the “best time” to prune is in early spring, after the worst of the weather has passed. The chance of frost damage also needs to be decreased before pruning any shrub or plant.