Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine

$270.00

Tax included. Shipping calculated at checkout.

Size: 40cm/45L

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: 1.5m – 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: 5–12 metres

Mature Width: 3–5 metres

Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine is expected to grow 30 – 50 cm per year (moderate).

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 Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine

Callitris rhomboidea, commonly known as the Oyster Bay Pine or Port Jackson Pine, is a hardy Australian native conifer valued for its fine, blue-green foliage and dense, pyramidal form. The soft, fern-like leaves and neat, symmetrical habit give it an elegant, textural appearance, suitable for both formal and native landscapes. Mature trees typically reach 5–12 metres tall and 3–5 metres wide, forming a compact, evergreen tree that provides excellent screening, wind protection, and year-round structure.

This resilient conifer thrives in full sun and well-drained soils, including sandy or rocky sites. Callitris rhomboidea is drought and frost tolerant once established and performs well in coastal and inland environments. Its durability and low water needs make it ideal for sustainable gardens and large-scale planting projects.

They look excellent as feature trees, windbreaks, or planted in groups for natural screening. The Oyster Bay Pine’s combination of hardiness, form, and fine-textured foliage makes it one of the most versatile native conifers for modern and naturalistic Australian landscapes.

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.

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Type:

Enriched Planting Mix (AO Certified)

$21.95

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Uses in my Garden

Feature Tree
Screening or Privacy
Windbreak
Council or Civic Landscapes

Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine works in an:

Australian Native Garden – celebrates local plants with natural character.
Coastal Garden – relaxed, seaside feel with hardy, textural plants.
Formal Garden – structured, symmetrical design with clipped shapes.
Low-maintenance Garden – resilient choices for easy care and year-round appeal.

Is Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine Evergreen or Deciduous?

Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine is an Evergreen (foliage year round) Tree

Mature Height & Width

Mature Height: 5–12 metres

Mature Width: 3–5 metres

Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine is expected to grow 30 – 50 cm per year (moderate).

Growth Rate of Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine

Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine is expected to grow 30 – 50 cm per year (moderate).

They are considered to have a:

Medium Growth Rate

Frost Tolerance & Ideal Climate to plant Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine

Is Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine frost tolerant?

Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine is Frost Tolerant – Can handle light to moderate frost once established.

Does Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine Flower?

Callitris rhomboidea produces very small, inconspicuous male and female cones rather than showy flowers. These subtle reproductive structures sit close to the branchlets and form part of its natural seasonal cycle without adding a visible floral display.

Does Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine flower?

No - Doesn't Flower

Flowering Period:

Not Applicable

Flower Type:

Not Applicable

Flower Colour:

Not Applicable

Is Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine an Australian Native Tree?

Yes

Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine is Native to Southeastern Australia, including Tasmania, Victoria, New South Wales, and South Australia, where it grows naturally in coastal and inland forests.

What is the Wildlife Value of Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine ?

Its dense, fine foliage provides excellent shelter for small birds and lizards, while its seed cones are a food source for native parrots and seed-eating birds. The tree’s structure also supports beneficial insects, enhancing biodiversity in low-maintenance and native garden settings.

How much Sunlight does Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine need?

Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine will thrive best in:

Full Sun

Preferred Soil?

Callitris rhomboidea 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 significantly improved with organic matter and coarse material to enhance drainage. Keep soil evenly moist during establishment, then reduce watering as the tree matures and develops its characteristic high drought resilience.

Is Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine Drought Tolerant?

Is Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine Drought tolerant?

As a young tree it requires regular watering, but once established Callitris rhomboidea develops excellent drought tolerance. It thrives in dry, coastal and inland environments and maintains its compact evergreen form with minimal supplementary watering.

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How To Plant Your Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine

Site: Choose a well-drained position in full sun with good air movement and room for the canopy to develop.

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

Hole: Dig twice as wide as the root ball and the same depth, avoiding any low spot where water might pool.

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

Recommended Planting Spacing For Your Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine

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

Feature tree: 3 to 4 metres apart to allow the full canopy and form to develop.

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

Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine is expected to grow 30 – 50 cm per year (moderate).

Medium Growth Rate

Long Term Care For Your Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine

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 centimetre layer of organic mulch or pine bark over the root zone, keeping it 5 centimetres clear of the trunk to avoid waterlogging at the base.

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 Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine in Different Soil

Callitris rhomboidea 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

Q: How tall does Callitris rhomboidea grow?
A: Mature trees reach 5–12 metres tall and 3–5 metres wide.

Q: Is it drought tolerant?
A: Yes, it’s highly drought tolerant once established.

Q: Can it be used for screening?
A: Yes, it forms a dense, evergreen screen or windbreak.

Q: Is it suitable for coastal conditions?
A: Yes, it performs extremely well in coastal and sandy environments.

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Callitris rhomboidea – Oyster Bay Pine / Port Jackson Pine