Callistemon salignus - Evergreen Trees Direct

Callistemon salignus

$140.00

Tax included. Shipping calculated at checkout.

Size: 30cm/33cm

30cm/33cm 40cm/45L 100L

Current Stock Height Guides

40cm/45L: 1.6m – 2.1m 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: 5m to 10m (approx.)

Mature Width: 3m to 5m

Callistemon salignus is expected to grow 40cm to 70cm per year (approx.).

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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Email: sales@evergreentrees.com.au

Phone: (03) 7042 3318

About Your New Callistemon salignus

Callistemon salignus flushes soft pink new growth over willow-like foliage several times a year, then carries cream to pale pink bottlebrush flowers through spring and summer. The Willow Bottlebrush gives more year-round colour than a plain green screening tree without asking for any extra care.

Callistemon salignus grows to 5 to 10 metres tall and 3 to 5 metres wide at 40 to 70 centimetres per year, with a dense upright habit and papery bark that develops character with age. It can be run as a tall privacy screen, a rural shelterbelt, or lifted to a single trunk as a feature tree.

This Australian native is frost hardy, surviving heavy and frequent frost without damage, and tolerates poor soils, extended dry and seasonal waterlogging once established. It grows in full sun and is widely used in civic and revegetation planting because it performs with almost no maintenance.

Frequently Asked Questions

About Callistemon salignus

How tall does Callistemon salignus grow?

Callistemon salignus grows to 5 to 10 metres tall and 3 to 5 metres wide. It is one of the taller bottlebrushes and is often used where a screen needs real height rather than a low hedge.

How fast does Willow Bottlebrush grow?

It grows at 40 to 70 centimetres per year once established, forming a usable screen within three to four years in reasonable soil with water through the first two summers.

What colour are the flowers?

Flowers are cream to pale pink, appearing through spring and summer with sporadic flushes at other times. They are softer in tone than the vivid reds of most bottlebrushes.

Why does the new growth look pink?

New foliage emerges soft pink to bronze before hardening to green. Flushes occur several times through the growing season, and trimming triggers another, so a maintained plant carries colour for much of the year.

Is Callistemon salignus frost hardy?

Yes. It is frost hardy and survives heavy and frequent frost without damage, which suits it to inland tablelands districts as well as coastal and lowland sites.

Does it tolerate wet ground?

Yes. Callistemon salignus handles seasonal waterlogging better than most screening trees, which makes it useful along drainage lines, dam edges and low-lying paddock corners.

How far apart should I plant it for a screen?

Plant 1.5 to 2 metres apart for a dense screen at this scale, or 3 to 4 metres apart as individual feature trees where the papery trunk can develop.

Enriched Planting Mix (AO Certified)

$21.95

Enriched Planting Mix is a certified organic blend of Pure Magic Compost, composted animal manure, gypsum, composted coarse bark and a wetting agent, bagged in 30L. It is built to be dug through existing garden soil at planting time rather than used on its own, and the gypsum is what sets it apart from a plain compost.

Gypsum helps break up heavy clay so water and roots can move through it, while the compost and manure return organic matter and nutrient to tired ground. The coarse bark holds structure and keeps air around the root zone, and the wetting agent keeps moisture in the soil longer after rain or watering.

Use it when planting trees, shrubs, roses, fruit trees and exotic garden plants, particularly into clay. Dig a hole twice the width of the pot and 7 centimetres deeper, then mix roughly one third planting mix through the excavated soil. Spread 7 centimetres of that improved soil in the base before setting the plant in.

Frequently Asked Questions

About Enriched Planting Mix

What is Enriched Planting Mix made from?

It is a blend of Pure Magic Compost, composted animal manure, gypsum, composted coarse bark and a wetting agent. Each part has a job. The compost and manure supply organic matter and nutrient, the gypsum works on clay structure, the bark keeps air around the roots and the wetting agent holds moisture in the soil.

What plants is it suitable for?

It suits exotic garden plants, including roses, ornamental and deciduous trees, fruit trees, shrubs and perennials, and it earns its keep most on heavy clay sites. It is a planting mix rather than a potting mix, so its job is improving soil at planting time. Phosphorus sensitive natives are the one clear exception.

Is it safe for natives?

No, not for the phosphorus sensitive ones. The composted animal manure in this blend lifts phosphorus well above what Proteaceae such as Banksia, Grevillea, Hakea and Protea will tolerate, and the result can be leaf burn, dieback and plant death. Use the Native Potting Mix for those species, or plant them into unimproved local soil.

Is it certified organic?

Yes. It is a certified organic product with no chemical additives, which is why the manure and compost in it are fully composted rather than raw. That makes it sound around fruit trees and vegetable beds, and it means you are adding genuine organic matter to your soil rather than a synthetic conditioner.

How much do I need?

Work on roughly one third planting mix to two thirds of the soil you dug out of the hole. For a shrub out of a 200 millimetre pot that is only a few litres. An advanced tree going into a large hole will take considerably more. Judge the quantity by the volume of the hole rather than the size of the plant.

Can I use it in pots?

It is not a potting mix and should not be used on its own in a container. The blend is designed to be diluted through garden soil, and used straight in a pot it holds too much water and settles badly. For containers, reach for a premium potting mix, or the native mix if you are potting natives.

Does it need to be watered in?

Yes. Water the plant well several hours before you plant it, then water thoroughly again once the hole is backfilled and the soil firmed down. That first deep watering settles the improved soil around the root ball and drives out air pockets. Keep the water up over the first few months while the roots establish.

View full details

Type: Garden Supplies

Enriched Planting Mix (AO Certified)

$21.95

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Uses in my Garden

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.

Is Callistemon salignus Evergreen or Deciduous?

Callistemon salignus is an Evergreen (foliage year round) Tree

Mature Height & Width

Mature Height: 5m to 10m (approx.)

Mature Width: 3m to 5m

Callistemon salignus is expected to grow 40cm to 70cm per year (approx.).

Growth Rate of Callistemon salignus

Callistemon salignus is expected to grow 40cm to 70cm per year (approx.).

They are considered to have a:

Fast Growth Rate

Frost Tolerance & Ideal Climate to plant Callistemon salignus

Is Callistemon salignus frost tolerant?

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

Does Callistemon salignus Flower?

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.

Does Callistemon salignus flower?

Yes - Flowers

Flowering Period:

Summer
Spring
Sporadic

Flower Type:

Fluffy

Flower Colour:

White

Is Callistemon salignus an Australian Native Tree?

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.

What is the Wildlife Value of Callistemon salignus ?

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.

How much Sunlight does Callistemon salignus need?

Callistemon salignus will thrive best in:

Full Sun

Preferred 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.

Is Callistemon salignus Drought Tolerant?

Is Callistemon salignus Drought tolerant?

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.

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How To Plant Your Callistemon salignus

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 Callistemon salignus

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.

Callistemon salignus is expected to grow 40cm to 70cm per year (approx.).

Fast Growth Rate

Long Term Care For Your Callistemon salignus

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 Callistemon salignus in Different Soil

Callistemon salignus 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

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.