Japanese Black Pine Seeds (Pinus thunbergii) – Salt-Tolerant Coastal Tree & Bons
High Germination Rate Up to 95.7% – Simple Cold Stratification
The Ultimate Coastal Tree – Salt, Drought & Wind Tolerant
Iconic Bonsai & Ornamental Evergreen – Year-Round Garden Beauty
Life Cycle Perennial (evergreen conifer) Flower Color Not showy (cones) Plant Height 80-125 ft (24-40 m) at maturity Planting Season Spring (after last frost) Bloom Season N/A (conifer) Use Bonsai / Coastal landscaping / Windbreak / Erosion control / Timber / Ornamental Growing Conditions Full sun; well-drained sandy or loamy soil; salt and drought tolerant; cold hardy to USDA zones 5-8
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Details
Trees to 30 m tall; trunk to 2 m d.b.h. in native range; bark dull gray when young, aging gray-black, rough and thick, scaly and decidous; crown broadly conical or umbrellalike; 1st-year branchlets pale brown-yellow, glabrous; winter buds silvery white, cylindric-ellipsoid or cylindric, scales fringed at margin. Needles 2 per bundle, dull green, shiny, 6-12 cm × 0.5-2 mm, rigid, stomatal lines present on all surfaces, resin canals 6-11, median, base with persistent sheath, margin serrulate. Seed cones solitary or 2 or 3 together, shortly pedunculate, brown, conical-ovoid or ovoid, 4-6 × 3-4 cm, deciduous. Seed scales ovate-elliptic; apophyses slightly swollen, obviously cross keeled; umbo slightly concave, apex blunt. Seeds obovoid-ellipsoid, 5-7 × 2-3.5 mm; wing gray-brown, 1-1.1 cm. Pollination Apr-May, seed maturity Oct of 2nd year.
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