Callistemon sieberi

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

Callistemon sieberi works in an:

• Australian Native Garden – celebrates local plants with natural character.
• Wildlife Garden – planting to attract birds, bees, and pollinators.
• 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.

Callistemon sieberi is an Evergreen (foliage year round) Tree

Mature Height: 2m - 3m Approximately

Mature Width: 3m – 5m

Callistemon sieberi is expected to grow Approx. 30 – 60 cm per year.

Callistemon sieberi is expected to grow Approx. 30 – 60 cm per year.

They are considered to have a:

• Medium Growth Rate
• Fast Growth Rate

Is Callistemon sieberi frost tolerant?

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

• 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
• Adelaide Hills & Barossa

Callistemon sieberi produces soft cream to pale-yellow bottlebrush flowers from spring through summer. These lightly coloured blooms cluster along the branch tips, creating a gentle seasonal display that contrasts beautifully with its fine, willow-like foliage.

Does Callistemon sieberi flower?

• Yes - Flowers

Flowering Period:

• Summer
• Spring

Flower Type:

• Fluffy

Flower Colour:

Yellow

Yes

Callistemon sieberi is Native to Eastern Australia, from Queensland through New South Wales, Victoria and Tasmania, where it grows naturally along rivers and streams.

Its nectar-rich flowers attract honeyeaters, native bees, butterflies and other beneficial insects, while its dense evergreen foliage provides shelter and nesting sites for small birds. The extended flowering season also supports pollinators when other nectar sources are limited.

Callistemon sieberi will thrive best in:

• Full Sun

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

Is Callistemon sieberi Drought tolerant?

As a young tree it requires regular watering, but once established Callistemon sieberi develops excellent drought tolerance. It performs reliably in dry, inland and coastal environments and maintains its graceful habit with minimal supplementary watering.