Callistemon salignus - Evergreen Trees Direct

Callistemon salignus

Name: Callistemon salignus
Brand: Evergreen Trees Direct
SKU: CALLISSALIG40CM/45L
Price: 250.00 AUD
Availability: InStock

$250.00

Tax included. Shipping calculated at checkout.

9987 in stock

Size: 40cm/45L - DECEMBER BATCH 25

40cm/45L - DECEMBER BATCH 25

Current Stock Height Guides

40cm/45L: 1.4m – 2.1m Approx.

Trade Customers

We supply advanced trees to landscapers, developers, architects, and councils Australia-wide. Trade clients receive fast quotes, expert advice, and access to premium stock with reliable freight.

About Callistemon salignus

Callistemon salignus – commonly called the White Bottlebrush or Willow Bottlebrush – is a striking Australian native with soft pink to white cylindrical flowers and elegant, willow-like foliage. Young leaves emerge with a flush of pink-red before maturing to green, creating seasonal contrast.

They look excellent when planted as informal screens, hedging, or as feature trees in bird-attracting landscapes. Callistemon salignus performs well in full sun to part shade, tolerates mild frost and drought once established, and adds structure and biodiversity to gardens and streetscapes with minimal upkeep.

Key Information to Know

Evergreen / Deciduous

Callistemon salignus is an Evergreen (foliage year round) Tree

Mature Height & Width

Mature Height: 5m - 10m Approximately

Mature Width: 3m – 5m

Callistemon salignus is expected to grow Approx. 40 – 70 cm per year.

Frost Tolerance

Is Callistemon salignus frost tolerant?

Callistemon salignus is Frost Hardy – Survives heavy and frequent frost without damage.

Flowering Information

Callistemon salignus produces soft cream to pale-yellow bottlebrush flowers from late spring through summer. These lightly coloured cylindrical blooms sit along the branch tips, creating a gentle seasonal display that pairs beautifully with its pink-tinged new growth and attractive bark.

Native Information

Is Callistemon salignus an Australian Native? Yes

Callistemon salignus is Native to Native to eastern Australia, where it grows naturally along creeks and moist sites. Widely used in cultivation for its adaptability and fine-textured foliage.

Wildlife Value

Its nectar-rich flowers attract honeyeaters, native bees, butterflies and beneficial insects, while the dense, evergreen foliage provides excellent cover and nesting habitat for small birds. The extended flowering season offers valuable support to pollinators throughout the warmer months.

Sunlight Information

Callistemon salignus will thrive best in:

Full Sun

Preffered Soil

Callistemon salignus performs best in well-drained sandy or loam soils and prefers slightly acidic to neutral conditions. It tolerates poorer soils but may struggle in heavy clay or waterlogged areas unless improved with organic matter and coarse material to boost drainage. Keep soil evenly moist during establishment, then reduce watering as the tree matures and develops excellent drought resilience.

Botanical Information

Common Name: Willow Bottlebrush / Pink Tips Bottlebrush

Genus: Callistemon

Botanical Species: salignus

Family: Myrtaceae

Botanical Name: Callistemon salignus

Landscape Uses

Screening or Privacy
Shrubs
Rural Property Planting
Revegetation or Regeneration
Council or Civic Landscapes
Plant in Pots (or) Suitable for Pots

Callistemon salignus works in an:

Australian Native Garden – celebrates local plants with natural character.
Coastal Garden – relaxed, seaside feel with hardy, textural plants.
Modern Garden – sleek, minimal, and design-led planting.
Wildlife Garden – planting to attract birds, bees, and pollinators.
Low-maintenance Garden – resilient choices for easy care and year-round appeal.

Planting, Spacing & Care

How to Plant Callistemon salignus

Site Selection: Choose a location with ample sunlight and well-draining soil.
Soil Preparation: Incorporate organic matter or compost to boost soil health.
Hole Digging: Prepare a hole about double the size of the root ball.
Planting: Set the Callistemon in the hole, ensuring it's level, fill with soil, and water deeply.

Hedging & Screening: Plant 1 m apart for a dense hedge, or slightly wider for a more informal look.

Feature Tree: Plant 2 m – 3 m apart to showcase its upright form.

Avenue Planting Trees: Use at 3 m – 4 m apart for a uniform row.

Caring for Callistemon salignus

Watering: Establish with regular watering, then reduce as the plant matures.
Mulching: Apply a layer of organic mulch around the base to retain moisture and suppress weeds.
Pruning: Lightly prune after flowering to maintain a compact form and promote new growth.

Optimizing Soil for Vibrant Blooms and Attractive Foliage

Ideal Drainage: Callistemon species do best in well-drained, slightly acidic soils.

Well-Draining Soil: Perfect for promoting vibrant flowering and health.

If you have the following soil, here are some tips for you:

Sandy Soil: Excellent for Callistemon; maintain fertility with controlled-release, low-phosphorus fertilizers.
Clay Soil: Typically challenging for Callistemon; heavily amend with gypsum, sand, and compost for better drainage and root health.
Loamy Soil: Very good if well-drained; avoid over-enrichment which can lead to lush growth at the expense of blooms.
Peaty Soil: High organic content is beneficial; ensure it is well-drained with the addition of perlite or sand to avoid root rot.

Callistemon salignus is expected to grow Approx. 40 – 70 cm per year.

Fast Growth Rate

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

Tropical QLD (Cairns, Townsville)
Subtropical QLD (Brisbane, Gold Coast, Sunshine Coast)
Northern NSW (Byron, Coffs, Armidale)
Sydney & Central Coast
South Coast NSW (Illawarra to Bega)
Inland NSW / Tablelands (Orange, Bathurst, Canberra)
Melbourne & Surrounds (Metro, Bayside, Geelong, Bellarine, Mornington)
Western District & Central VIC (Ballarat, Bendigo, Hamilton)
Gippsland (Latrobe Valley, East Gippsland)
Adelaide Metro & Coastal

Thrives in

Full Sun

Frost Tolerance

Frost Hardy – Survives heavy and frequent frost without damage.

Drought Tolerance

As a young tree it requires regular watering, but once established Callistemon salignus develops excellent drought tolerance. It thrives in hot, dry and coastal environments and maintains dense foliage and reliable flowering with minimal supplementary watering.

Flowering Information

Does Callistemon salignus flower?

Yes - Flowers

Flowering Period:

Summer
Spring
Sporadic

Flower Type:

Fluffy

Flower Colour:

White

Frequently Asked Questions

Frequently Asked Questions

Can Callistemon salignus handle wet conditions? While it prefers well-draining soils, it can tolerate occasional wet conditions.
Is it suitable for containers? Yes, in its younger stages, it can be grown in large containers with good drainage.

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