Casuarina cunninghamiana - River Sheoak
Casuarina cunninghamiana - River Sheoak
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Current Stock Height Guides
Current Stock Height Guides
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Trade Customers
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About Casuarina cunninghamiana - River Sheoak
Casuarina cunninghamiana (River Sheoak) is a fast-growing, hardy Australian native tree valued for its dense, soft, needle-like foliage and upright habit. This versatile tree excels as a windbreak, screen, and for erosion control, thriving in coastal, riparian, and urban landscapes.
They look excellent in large-scale plantings where privacy, shade, and soil stabilization are priorities. Its high drought and salt tolerance, combined with low maintenance needs, make River Sheoak a dependable choice for tough environments and varied soil types.
Key Information to Know
Evergreen / Deciduous
Casuarina cunninghamiana - River Sheoak is an Evergreen (foliage year round) Tree
Mature Height & Width
Mature Height: 15m - 30m Approximately
Mature Width: 10m – 15m
Casuarina cunninghamiana - River Sheoak is expected to grow Approx. 1 – 2 m per year.
Frost Tolerance
Is Casuarina cunninghamiana - River Sheoak frost tolerant?
Casuarina cunninghamiana - River Sheoak is Frost Hardy – Survives heavy and frequent frost without damage.
Flowering Information
Casuarina cunninghamiana produces small red to rusty-brown flowers from late winter into spring. Though discreet, these blooms sit along the fine, needle-like branchlets and precede the development of its woody cone-like fruit.
Native Information
Is Casuarina cunninghamiana - River Sheoak an Australian Native? Yes
Casuarina cunninghamiana - River Sheoak is Native to Native to eastern and northern Australia, where it grows naturally along rivers, creeks, and floodplains.
Wildlife Value
Its dense, fine-textured foliage provides excellent shelter and nesting habitat for small birds, while its seed cones are an important food source for native parrots and other seed-eating species. The flowers also support native bees and beneficial insects, contributing to overall garden biodiversity.
Sunlight Information
Casuarina cunninghamiana - River Sheoak will thrive best in:
Preffered Soil
Casuarina cunninghamiana performs best in well-drained sandy or loam soils and tolerates slightly acidic to slightly alkaline conditions. It may struggle in heavy clay or waterlogged areas unless improved with organic matter and coarse material to enhance drainage. Keep soil evenly moist during establishment, then shift to deep, occasional watering as it matures and develops its characteristic high drought resilience.
Botanical Information
Botanical Information
Botanical Information
Common Name: River Sheoak
Genus: Casuarina
Botanical Species: Casuarina cunninghamiana
Family: Casuarinaceae
Botanical Name: Casuarina cunninghamiana
Landscape Uses
Landscape Uses
Casuarina cunninghamiana - River Sheoak works in an:
Planting, Spacing & Care
Planting, Spacing & Care
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Casuarina cunninghamiana - River Sheoak is expected to grow Approx. 1 – 2 m 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 Casuarina cunninghamiana develops excellent drought tolerance. It thrives in hot, dry and coastal environments and maintains its strong, upright habit with minimal supplementary watering.
Flowering Information
Flowering Information
Does Casuarina cunninghamiana - River Sheoak flower?
Flowering Period:
Flower Type:
Flower Colour:
Not Applicable
Casuarina cunninghamiana produces small red to rusty-brown flowers from late winter into spring. Though discreet, these blooms sit along the fine, needle-like branchlets and precede the development of its woody cone-like fruit.
Frequently Asked Questions
Frequently Asked Questions
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