Pinus Thunbergii - Japanese Black Pines
Pinus Thunbergii - Japanese Black Pines
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Current Stock Height Guides
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Trade Customers
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About Pinus Thunbergii - Japanese Black Pines
Pinus thunbergii, or Japanese Black Pine, is a dramatic evergreen conifer valued for its rugged, windswept form and textured black bark. It grows 8–20 meters tall (smaller with pruning) with a 4–8 meter spread. Its dark green, stiff, twisted needles grow in pairs, and its thick scaly bark adds year-round visual interest.
Slow to moderate growing initially, it thrives in full sun and poor, sandy, or compacted soils. Highly drought and salt tolerant, it’s ideal for coastal gardens, niwaki-style pruning, bonsai, and sculptural landscape features. This long-lived tree also supports local wildlife by providing shelter and food.
Japanese Black Pine’s unique form and resilience make it a prized specimen for collectors, designers, and traditional Japanese garden aesthetics.
Key Information to Know
Evergreen / Deciduous
Pinus Thunbergii - Japanese Black Pines is an Evergreen (foliage year round) Tree
Mature Height & Width
Mature Height: 8m - 15m Approximately
Mature Width: 4 – 8 m
Pinus Thunbergii - Japanese Black Pines is expected to grow Approx. 20 cm – 35 cm per year.
Frost Tolerance
Is Pinus Thunbergii - Japanese Black Pines frost tolerant?
Pinus Thunbergii - Japanese Black Pines is Frost Hardy – Survives heavy and frequent frost without damage.
Flowering Information
Pinus thunbergii produces small, inconspicuous yellow male cones and reddish female cones in spring. While not ornamental, these develop into classic woody cones that sit attractively among the stiff, dark green needles.
Native Information
Is Pinus Thunbergii - Japanese Black Pines an Australian Native? No
Pinus Thunbergii - Japanese Black Pines is Native to Japan and South Korea, where it naturally grows along coastlines, rocky slopes, and sandy soils.
Wildlife Value
As a young tree it requires regular watering, but once established Japanese Black Pine develops excellent drought tolerance. Naturally adapted to coastal, windy and sandy environments, it maintains strong, resilient growth with minimal supplementary watering and thrives even in exposed, salt-laden conditions.
Sunlight Information
Pinus Thunbergii - Japanese Black Pines will thrive best in:
Preffered Soil
Pinus thunbergii performs best in well-drained sandy or loam soils and tolerates slightly acidic to slightly alkaline pH. Exceptionally hardy, it adapts well to coastal and poorer soils but may struggle in heavy clay or waterlogged areas unless improved with coarse sand and organic matter to boost drainage. Keep soil evenly moist during establishment, then shift to deep, infrequent watering as the tree matures to support its drought resilience, structural strength and healthy evergreen growth.
Botanical Information
Botanical Information
Botanical Information
Common Name: Japanese Black Pine
Genus: Pinus
Botanical Species: thunbergii
Family: Pinaceae
Botanical Name: Pinus thunbergii
Landscape Uses
Landscape Uses
Pinus Thunbergii - Japanese Black Pines works in an:
Planting, Spacing & Care
Planting, Spacing & Care
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Pinus Thunbergii - Japanese Black Pines is expected to grow Approx. 20 cm – 35 cm per year.
Root Ball Dimensions (Width × Depth) For Planting
Root Ball Dimensions (Width × Depth) For Planting
Use this as a reference when digging your planting hole. We recommend digging at least 10% wider than the dimensions below to encourage strong root development.
- 30cm Pot: 33cm (W) × 30cm (D)
- 40cm/45L Pot: 44cm (W) × 41.5cm (D)
- 50cm Pot / 70L Pot: 55cm (W) × 41.8cm (D)
- 100L Bag: 50.6cm (W) × 52.8cm (D)
- 150L Bag: 66cm (W) × 55cm (D)
- 200L Bag: 71.5cm (W) × 60.5cm (D)
- 300L Bag: 88cm (W) × 63.8cm (D)
- 400L Bag: 99cm (W) × 66cm (D)
- 500L Bag: 122cm (W) × 66cm (D)
- 750L Bag: 134cm (W) × 69cm (D)
- 1000L Bag: 146.3cm (W) × 71.5cm (D)
- 2000L Bag: 176cm (W) × 82.5cm (D)
Ideal Conditions
Ideal Conditions
Thrives in
Frost Tolerance
Frost Hardy – Survives heavy and frequent frost without damage.
Drought Tolerance
As a young tree it requires regular watering, but once established Japanese Black Pine develops excellent drought tolerance. Naturally adapted to coastal, windy and sandy environments, it maintains strong, resilient growth with minimal supplementary watering and thrives even in exposed, salt-laden conditions.
Flowering Information
Flowering Information
Does Pinus Thunbergii - Japanese Black Pines flower?
Flowering Period:
Flower Type:
Flower Colour:
Not Applicable
Pinus thunbergii produces small, inconspicuous yellow male cones and reddish female cones in spring. While not ornamental, these develop into classic woody cones that sit attractively among the stiff, dark green needles.
Frequently Asked Questions
Frequently Asked Questions
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