Allocasuarina littoralis - Black She Oak - Evergreen Trees Direct

Allocasuarina littoralis - Black She Oak

$150.00

Tax included. Shipping calculated at checkout.

Size: 30cm/33cm

30cm/33cm 40cm/45L

All stock is grown, maintained and graded in strict accordance with AS 4373-2007, Australian Standard for Nursery Stock.

Current Stock Height Guides

40cm/45L: 1m – 1.2m Approx.

Height guide disclaimer: Height ranges are approximate only. As living products, plant heights naturally vary between individual plants, batches, and seasons. No guarantee is given that supplied plants will fall within the stated range. If minimum heights are required, you mustconfirm current batch heights with Evergreen Trees Direct prior to purchase. Variation in height is normal and is not grounds for return, refund, replacement, or compensation.

Mature Height & Width

Mature Height: 5 m – 8 m

Mature Width: 3 m – 5 m

Allocasuarina littoralis - Black She Oak is expected to grow 40 – 70 cm/year.

Root Ball Dimensions

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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Phone: (03) 7042 3318

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About Your New Allocasuarina littoralis - Black She Oak

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.

Enriched Planting Mix (AO Certified)

$21.95

Features and Benefits

Organically certified product
Improves aeration for roots
A rich blend of Pure Magic Compost, composted animal manure, Gypsum, composted coarse bark and wetting agent
Excellent to mix with heavy clay soils, an organic mixture with added gypsum which is perfect for exotic plants
Revitalises tired soils, adds nutrient and organic matter, no chemical additives, weed free
Assists in retaining moisture in the soil longer after rain or watering

Directions For Use

Water plant well at least several hours prior to planting.
Dig a hole at least twice the width of the pot and 7cm deeper than the pot.
Mix Grow Better Enriched Planting Mix with the soil that has been dug out of the hole, adding about 1/3 planting mix.
Spread a 7cm layer of improved soil in the hole and remove plant from the pot. Tease roots gently if the root ball is very firm and place plant in the planting hole. Check that pot soil is level with the surrounding soil surface level, not higher or lower.
Fill in the hole with improved soil mixture, firm down soil and water well adding Grow Better Plant Starter to final watering.

View full details

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Enriched Planting Mix (AO Certified)

$21.95

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Uses in my Garden

Screening or Privacy
Rural Property Planting
Shade Tree
Revegetation or Regeneration
Council or Civic Landscapes

Allocasuarina littoralis - Black She Oak works in an:

Australian Native Garden – celebrates local plants with natural character.
Coastal Garden – relaxed, seaside feel with hardy, textural plants.
Woodland Garden – layered, naturalistic design under dappled light.
Low-maintenance Garden – resilient choices for easy care and year-round appeal.

Is Allocasuarina littoralis - Black She Oak Evergreen or Deciduous?

Allocasuarina littoralis - Black She Oak is an Evergreen (foliage year round) Tree

Mature Height & Width

Mature Height: 5 m – 8 m

Mature Width: 3 m – 5 m

Allocasuarina littoralis - Black She Oak is expected to grow 40 – 70 cm/year.

Growth Rate of Allocasuarina littoralis - Black She Oak

Allocasuarina littoralis - Black She Oak is expected to grow 40 – 70 cm/year.

They are considered to have a:

Medium Growth Rate

Frost Tolerance & Ideal Climate to plant Allocasuarina littoralis - Black She Oak

Is Allocasuarina littoralis - Black She Oak frost tolerant?

Allocasuarina littoralis - Black She Oak is Frost Tolerant – Can handle light to moderate frost once established.

Does Allocasuarina littoralis - Black She Oak Flower?

Allocasuarina littoralis produces small, understated red to rust-coloured flowers from late winter into spring. While subtle, the blooms form along the fine needle-like branchlets, adding a gentle seasonal highlight before maturing into woody cone-like fruit.

Does Allocasuarina littoralis - Black She Oak flower?

Yes - Flowers

Flowering Period:

Winter

Flower Type:

Not Applicable

Flower Colour:

Red

Is Allocasuarina littoralis - Black She Oak an Australian Native Tree?

Yes

Allocasuarina littoralis - Black She Oak is Native to Native to eastern and southern Australia, from Queensland to Tasmania, where it grows in dry forests, sandy soils, and coastal regions.

What is the Wildlife Value of Allocasuarina littoralis - Black She Oak ?

Its dense, fine-textured branchlets offer shelter for small birds, while its seed cones provide food for native parrots, cockatoos and seed-eating birds. The flowers also support native bees and beneficial insects, helping to build a healthy, biodiverse ecosystem.

How much Sunlight does Allocasuarina littoralis - Black She Oak need?

Allocasuarina littoralis - Black She Oak will thrive best in:

Full Sun
Part Shade

Preferred Soil?

Allocasuarina littoralis performs best in well-drained sandy or loam soils and tolerates slightly acidic to slightly alkaline conditions. It struggles in heavy clay or waterlogged sites unless improved with organic matter and coarse material to enhance drainage. Keep soil evenly moist during establishment, then reduce watering as the tree matures and shows its characteristic high drought resilience.

Is Allocasuarina littoralis - Black She Oak Drought Tolerant?

Is Allocasuarina littoralis - Black She Oak Drought tolerant?

As a young tree it benefits from regular watering, but once established Allocasuarina littoralis displays excellent drought tolerance. It thrives in dry, sandy and coastal environments and remains resilient with minimal supplementary watering.

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How To Plant Your Allocasuarina littoralis - Black She Oak

Site: Choose a well-drained position in full sun to part shade with room for the canopy to develop.

Soil preparation: Enrich the planting area with quality compost and aged manure for a strong establishment phase.

Hole: Dig twice as wide as the root ball and the same depth.

Planting: Position level with the surrounding soil, backfill gently, firm in, then water deeply to settle the roots.

Recommended Planting Spacing For Your Allocasuarina littoralis - Black She Oak

Hedging and screening: 1 to 1.5 metres apart for a dense informal screen, or 80 centimetres apart for a tighter formal hedge.

Avenue planting: 3 metres apart for a uniform soft-textured avenue.

Allocasuarina littoralis - Black She Oak is expected to grow 40 – 70 cm/year.

Medium Growth Rate

Long Term Care For Your Allocasuarina littoralis - Black She Oak

Watering: Water deeply twice weekly through the first 12 months. Once established, this is drought tolerant and only needs a deep soak during extended dry periods.

Mulching: Apply a 5 to 7 centimetre layer of organic mulch over the root zone, keeping it 5 centimetres clear of the trunk.

Pruning: Tip prune in late winter and again in summer to build dense growth. For a formal hedge, light shaping two to three times a year keeps lines crisp.

Fertilising: Apply a slow-release native blend in early spring and again in autumn. Avoid high-phosphorus formulations as a precaution.

Pest and disease: Hardy against most pests and diseases. Occasional inspection in warm humid conditions is all that's needed.

Planting Your Allocasuarina littoralis - Black She Oak in Different Soil

Allocasuarina littoralis performs best in well-drained sandy loam or loam with a slightly acidic to neutral pH. Adaptable to a wide range of soils when drainage is improved with organic matter.

Sandy soil: Free-draining and ideal. Mulch well to maintain consistent moisture.

Clay soil: Improve drainage with gypsum and organic compost before planting.

Loam: The preferred soil for steady root development and consistent growth.

pH: Slightly acidic to neutral preferred. Mulch with composted leaf litter to maintain levels naturally.

Frequently Asked Questions

What is Allocasuarina littoralis best used for?
A. It’s commonly planted as a windbreak, for screening, and for soil improvement due to its nitrogen-fixing ability.

Q. How tall and wide does it grow?
A. Grows 5 – 8 m tall and 3 – 5 m wide, with a soft, weeping canopy.

Q. Does it flower?
A. Female trees produce small red flowers in winter, though flowers are not showy.

Q. Is it drought tolerant?
A. Yes — it's highly drought hardy once established.

Q. Does it handle coastal and poor soil conditions?
A. Absolutely. It tolerates coastal exposure, poor soils, and helps prevent erosion.

Q. What kind of pruning does it need?
A. Very low maintenance — just light shaping if desired.

Q. What light is best?
A. Full sun to part shade is ideal for healthy growth.

Q. What are its ecological benefits?
A. It fixes nitrogen, supports soil health, and contributes to native biodiversity.