That's when a whole tree can shut down. No good reason is immediately apparent. The real cause is what happened the year before. This super-hot summer also didn't help. Colorado blue spruce is a ...

(Courtesy William "Ned" Friedman) Every spring the conifer trees at the Arnold Arboretum burst out in buds: hundreds of tiny cones, often bright pink, red or yellow. This year, one young spruce is ...

Forty species of spruce trees are found throughout the world, about half of which are found in China. There are no native spruce to Frederick County, but Norway, blue, white and red spruce have ...

using spruce from Swiss Resonance Wood. "We have to stock up, on the assumption that one day these trees will no longer be there" or will lose their special qualities, he tells AFP, noting that ...

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.