Picea mariana 'Nana' / Dwarf black spruce

Picea mariana 'Nana' is very popular, dwarf, flattened, cushion-shaped selection of black spruce, with uniform layered branching, and dusty, bluish green needles. After 10 years of growth, a mature specimen will measure 15 to 18 inches (38 - 45 cm) tall and 24 inches (60 cm) wide, an annual growth rate of around 2 inches (5 cm).

This conifer is a very old part of the nursery trade, unfortunately of unknown origin. It's apparent first mention was by Ludwig Beissner in his 1884 book, Handbuch der Nadelholzkunde.

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Picea mariana 'Nana' in the Gotelli Collection at The U.S. National Arboretum, Washington, DC; May 2006.
Photo by Dax Herbst
Picea mariana 'Nana' — a closeup of foliage detail. Photo copyright of The Wildlife & Conifer Garden Donated by Don and Nonda Surratt, Ohio, USA.
Photo by Nonda Surratt
Picea mariana 'Nana' in a private garden in Olympia, Washington, seen during the ACS WR conference, September, 2013.
Photo by Sean Callahan

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