Q: Our dwarf Colorado blue spruce is no longer dwarf. It's nearly five feet tall and probably just as wide. Can it be trimmed? If so, when is the best time to do this? - Shirley Smedshammer, Fargo. A: ...
Blue spruce (Picea pungens f. glauca), also called Colorado blue spruce, is a beautiful tree with blue-gray needles. Being colorful and relatively drought tolerant, it’s a favorite of many homeowners ...