Allocasuarina littoralis - Black She Oak
Please note, as living products, our trees naturally vary in size and appearance throughout the seasons. The photos on our website are provided as a helpful guide, but may not always reflect our current batches.
We always aim to deliver stock as pictured, but some variation is to be expected. For up-to-date sizing, please refer to our current height guide. If you’d like to see photos of our current stock, just let us know—we’re happy to send them!
Allocasuarina littoralis – Black She Oak is a hardy evergreen native tree suited to a wide range of Australian landscapes. With a mature height of 5 to 8 metres, it develops an upright form with fine, dark green, needle-like foliage and a soft, flowing canopy. Ideal for windbreaks, screening, and erosion control, it also improves soil health through nitrogen-fixing roots.
They look excellent in rural blocks, native gardens, or bushland-style plantings where tough, drought-tolerant structure is needed. Female plants produce red flowers in winter followed by small, woody reddish-brown cones, adding subtle seasonal interest.
Thanks to its adaptability to poor or sandy soils, Allocasuarina littoralis – Black She Oak is commonly used in revegetation projects, low-water gardens, and coastal zones. With minimal maintenance and year-round coverage, Allocasuarina littoralis – Black She Oak delivers strong environmental performance and dependable visual structure without requiring high input.
Mature Height:
Mature Width:
3 m – 5 m
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About This Tree
Botanical Profile
Explore the essential characteristics and growth habits of this plant, curated to assist you in making an inspired and confident choice for your landscape.
Mature Height
Mature Width:
3 m – 5 m
40 – 70 cm/year
Evergreen (foliage year round)
Frost Tolerant – Can handle light to moderate frost once established.
Allocasuarina littoralis - Black She Oak is considered:
Yes
Flower Colour: Red
Flower Type:
Flowering Period
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FAQ
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Planting Guide
Plant Spacing
How to Plant Allocasuarina littoralis - Black She Oak
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)
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