Avoid trimming hedges in late summer or early fall, as this can harm new growth before winter. Freshly cut hedges are more vulnerable to cold temperatures, which can lead to dieback and other issues.

Boxwoods need regular trimming and pruning to let in light, prevent fungus, and keep shrubs healthy. Best times to trim are mid-spring and late summer—avoid pruning in fall or winter. Style options ...

An ideal time to prune most trees and shrubs is just as their buds are swelling. Leafless stems make it easy to see where to cut, dead stems make their presence known, and with coldest weather past, ...