A: Late winter or early spring is generally the best time to prune conifers (needled evergreens) such as arborvitae, but these plants do not respond well to heavy pruning at any time of the year.

If you want to prune an established tree, that task is often best completed with the assistance of a tree care professional; a young or newly-planted tree is much easier to prune yourself.

Garden experts share their favorite conifer tree species as well as the best tips for growing conifers in your backyard.

Bring your own pruning shears, listen to instruction, watch demonstrations, and then prune one of the dwarf conifer trees planted in the garden railway at the San Leandro Historical Railway ...