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Japanese Black Pine

Pinus thunbergii

Pinaceae · conifer · introduced

Japanese black pine is the rugged, wind-sculpted pine of the Japanese coast, the species that defines the aesthetic of Japanese garden design, bonsai, and the dramatic, windswept coastal landscapes of Honshu. In the landscape, it grows twenty to forty feet with a broad, irregular crown and stiff, dark green needles held in pairs. The silvery-white candle buds in spring are a distinctive identification feature. Native to the coastal areas of Japan and Korea, it is adapted to salt spray, wind, sandy soil, and the lean, exposed conditions of maritime environments.

In Western Washington, Japanese black pine performs well in full sun with well-drained, sandy or gravelly soil. It tolerates salt spray and coastal wind, making it one of the best pines for waterfront and exposed coastal properties. The irregular form can be enhanced by selective pruning, a trained specimen shaped over decades is a work of living art. Several diseases are tracked, including pine wilt nematode, which has devastated populations in parts of the eastern United States and is a concern if it reaches the Pacific Northwest. For a characterful, salt-tolerant pine with deep roots in Japanese garden tradition, Japanese black pine brings an unmistakable aesthetic to coastal and Asian-influenced landscapes.

Quick Facts

Height
20–80 ft
Spread
23 ft
Growth Rate
Moderate
Light
Full Sun
Soil
Well Drained
Water
Moderate
Hardiness
Zone Zones 7a–9b
Bloom Time
Non-flowering
Origin
Japan

Phenological Calendar

Stage Typical Window
New growth flush BBCH 11 Feb 15-Mar 15
Bloom start BBCH 61 Mar 15-May 15
Bloom end / petal fall BBCH 69 Apr 15-May 31
Fruit/seed development BBCH 71 Mar 15-May 31
Fruit/seed maturity BBCH 85 Jun 1-Aug 31

Diseases (26)

Pests (23)

Cultivars (2)

Ogon
Common name: Golden Japanese Black Pine; Mature height: 5 ft
Thunderhead
Common name: Thunderhead Japanese Black Pine; Mature height: 5–10 ft