You may have heard that pruning spruce trees in the landscape is an important way of maintaining their health, size, shape, and vigor. But this is more applicable to deciduous trees than evergreens.

Prune lavender (Lavandula angustifolia) lightly after bloom, while deferring moderate pruning until spring. (Jacquelyne S. Collins) We're well into fall and the questions keep coming. Get answers from ...

Well, summer is half over. I don’t measure by the solstice calendar, I measure by June, July and August; that’s summer! By late summer, most of the spring bloomers have already set their buds for next ...

Key Points Trees benefit from fall trimming more than spring trimming.Trees experience less stress with fall trimming because they are entering dormancy.Spring tree trimming is better if the goal is ...

Colorado Blue Spruce trees have long been landscape favorites because of their stately shape and unusual color. Picea pungens has a symmetrical form that can grow from 30 to 60 feet tall with a 10 to ...

Q: We have a spruce lined border to the back of our subdivision that our yard is a part of. Many of the trees are beginning to lose all the needles on a few low branches on each tree. It looks like ...

You would think with all the rain we had this spring your trees would look healthy. Most do, but some trees in Fort Collins are dying — and it's not the emerald ash borer killing them. There's another ...