Evidently, Charlie Brown had picked a tree completely opposite from the most common species of Christmas tree – the blue spruce. Known for its pyramidal form and sharp blue-green needles, blue spruce ...

In addition to being a beautiful tree that maintains color year round, these trees make an excellent wind break and for the most part grow quite well here. When we see diseases in blue spruce, which ...

His work in Ecuador was largely concerned with the procurement of seeds of the cinchona tree. Spruce was one of those responsible for providing seeds of the tree from which the antimalarial drug ...

The black spruce’s short, stiff, blue-green needles along its drooping branches are arranged in every direction on the tree's twigs. Its pine cones are small ... Being a semi-serotinous species, black ...