Japanese Black Pine

Pinus thunbergii

Native to:
Japan, Korea

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Taxonomy

Division:
Coniferophyta | - Conifers
Family:
Pinaceae
Genus:
Pinus
Species:
Pinus thunbergii
USDA Symbol:
PITH2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Tree
Height:
2500 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr,may

Keystone Species Ranking

Caterpillar Keystone:
★★★★★ Butterfly & moth species supported by this genus (NWF)

Host Plant for Caterpillars

European pine shoot moth (Rhyacionia buoliana), Nantucket pine tip moth (Rhyacionia frustrana), Pandora moth (Coloradia pandora), pitch pine tip moth (Rhyacionia rigidana), Velda pinemoth (Coloradia velda)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Deer Resistant:
Yes
Salt Tolerant:
Yes
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Mature trees can survive low-intensity fires due to thick bark. Seedlings and young trees are fire-sensitive.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
4.5 - 6.5 (acidic to slightly acidic)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to coastal areas, tolerates salt spray

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Seeds germinate readily after cold stratification. Light is not required but warm temperatures (65-75°F) improve germination rates.

The above propagation data sourced from Claude AI