









Pinus Thunbergii - Japanese Black Pines
- Regular price
- $6,700.00
- Sale price
- $6,700.00
- Regular price
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Learn About Your New Pinus Thunbergii - Japanese Black Pines
Pinus thunbergii – Japanese Black Pine is a striking evergreen conifer known for its twisted, dark green needles, textured black bark, and irregular, windswept growth habit. Reaching heights of 8–20 metres in open landscapes (or kept compact through pruning), it delivers unmatched visual drama, particularly in coastal gardens, Asian-inspired designs, or modern sculptural landscapes.
Its dense, stiff needles grow in pairs, forming bold clusters along gnarled branches. The bark matures into scaly, dark grey-black plates, offering year-round structure and contrast. Though slow-growing initially, this species is long-lived, highly adaptable, and incredibly resilient in tough conditions.
Perfect for feature planting, bonsai training, or niwaki-style shaping, Japanese Black Pine handles coastal exposure, poor soils, urban pollution, and drought once established. It produces small pollen cones in spring, followed by woody female cones that mature over two years.
Key Details
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Botanical Name: Pinus thunbergii
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Common Name: Japanese Black Pine
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Mature Height: 8–20 metres (smaller under cultivation or with pruning)
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Mature Width: 4–8 metres
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Foliage: Dark green, stiff, twisted needles in pairs
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Bark: Thick, scaly, dark grey-black; extremely textured and ornamental
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Form: Irregular, rugged; naturally windswept or sculpted
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Growth Rate: Moderate (slow when young, accelerates with maturity)
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Sunlight: Full sun
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Soil: Tolerates poor, sandy, or compacted soils
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Drought Tolerance: Yes – once established
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Salt Tolerance: High – excellent for coastal planting
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Maintenance: Low; prune selectively for shape or size control
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Uses: Feature tree, coastal gardens, niwaki pruning, bonsai, architectural design
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Evergreen/Deciduous: Evergreen
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Longevity: Long-lived
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Wildlife Value: Provides food and shelter for birds and small mammals
Why Choose Pinus thunbergii – Japanese Black Pine?
Pinus thunbergii – Japanese Black Pine is a rare and highly architectural evergreen feature tree, revered for its dramatic form, windswept silhouette, and symbolic strength. Deeply rooted in Japanese garden tradition, it is prized for its ability to create structure, contrast, and movement in the landscape.
Sought-after by designers, collectors, and bonsai artists, this tree is exceptionally hard to source and available in limited quantities. Whether sculpted through niwaki pruning, grown as a living sculpture, or allowed to mature naturally, Japanese Black Pine is a statement tree like no other.
Everything You Need to Know Before Planting Pinus Thunbergii - Japanese Black Pines
Planting Tips for Pinus Thunbergii - Japanese Black Pines
Root Ball Dimensions (Width × Depth) & Planting Guide for Pinus Thunbergii - Japanese Black Pines
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: 49.5cm (W) × 35.2cm (D)
- 70L Pot: 55cm (W) × 41.8cm (D)
- 100L Bag: 50.6cm (W) × 52.8cm (D)
- 100L Pot: 66cm (W) × 49.5cm (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)
Growing Pinus Thunbergii - Japanese Black Pines in Various Soil Types
Watering Requirements After Planting Your Pinus Thunbergii - Japanese Black Pines
When planting a new tree or shrub, proper watering is essential to ensure healthy establishment and long-term growth. Follow these guidelines to give your plant the best start:
- Immediately After Planting:
Water generously right after planting to settle the soil around the roots and eliminate air pockets. This helps the roots make good contact with the soil. - First Three Months (Establishment Phase):
The initial three months are critical for root development. Water deeply twice daily (morning and evening) to encourage strong, deep root growth. - Irrigation Systems:
If using an irrigation system, adjust it to provide adequate water during the establishment phase. Ensure the water reaches the root zone without overwatering. - Weather Considerations:
Adjust watering based on weather conditions. Increase frequency during hot, dry periods and reduce it during cooler, wetter seasons. - Ongoing Care:
After the establishment phase, gradually reduce watering frequency but ensure the plant receives consistent moisture, especially during dry spells.
By providing consistent and appropriate watering during the initial months, you’ll help your new tree or shrub establish a strong root system and thrive in your garden.
Frequently Asked Questions About Pinus Thunbergii - Japanese Black Pines
Growing Your Pinus Thunbergii - Japanese Black Pines in Various Soil Types
Need Assistance For Your Next Project?Let Us Help.
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