Pinus nigra 'Arnold Sentinel' / Arnold Sentinel Austrian Black Pine
A dense, columnar tree with strong upright branching and dark green needles. It was selected by propagators at Harvard's Arnold Arboretum in 1984 from seed collected in Turkey in 1970. [RHS Encyclopedia of Conifers]
(Jacobson) Tightly upright; the original clone in 1987 was 16' tall and 4 feet wide. A cultivar of P. nigra var. pallasiana.
Pinus nigra 'Arnold Sentinel'
Photo taken at The Gotelli Collection of The US National Arboretum during May 2006; Washington, D.C. Plant exibited snow damage.
Photo by Dax Herbst
Pinus nigra 'Arnold Sentinel' / Arnold Sentinel Austrian Black Pine
RECOMMENDED HARDINESS ZONES:
HORTICULTURAL STATUS: EstablishedORIGIN: Seedling SelectionTRINOMIAL TYPE: CultivarGROWTH SHAPE: Narrow Upright or FastigiateGROWTH SIZE: Intermediate: 6 to 12 inches (15 – 30 cm) per year / 5 to 10 feet (1.5 – 3 m) after 10 years
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