Q: I have always loved the look of blue spruce, and I see many Maryland nurseries stocking them. I’ve heard that I should consider alternatives. Why? A: Every plant has something it can be vulnerable ...

American Journal of Botany, Vol. 90, No. 12 (Dec., 2003), pp. 1801-1806 (6 pages) Mitochondrial DNA (mtDNA) markers were used to assess the genetic diversity in allopatric populations of black spruce ...

From the Northern European Steppes, the Norway spruce amazes people with its impressive longevity and size. The tree can rise to over 150 feet and has long drooping branches that give its distinctive ...

Leaves – Evergreen needles; ½ -1” in length, flat, and attached directly to the twig via a small peg. Needles are dark green above, with prominent glaucous white stomatal bands beneath. Twigs and Buds ...