Callistemon Salignus (Willow Bottlebrush)
Callistemon Salignus (Willow Bottlebrush)
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Callistemon Salignus (Willow Bottlebrush) is a fast growing Australian native shrub or small tree valued for its elegant form and attractive flowering display. It typically features long, narrow willow-like leaves that give the plant a soft, flowing appearance, making it suitable for both formal and informal landscape settings. It is commonly found in natural waterways and moist woodland areas but adapts well to a variety of garden conditions.
During spring and summer, Callistemon Salignus produces dense cylindrical flower spikes in shades of creamy white to pale yellow, which are highly attractive to bees, butterflies, and nectar feeding birds. The blooms create a striking contrast against the fine green foliage, adding seasonal interest to the landscape. This species is often used for screening, hedging, and windbreaks due to its dense growth habit and resilience. It tolerates periodic flooding, light frost, and dry spells once established, making it a reliable and low maintenance choice for habitat gardens and large-scale native planting projects across suitable regions.

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Mature height
3–10 m
Mature width
2–5 m
Spacing
2–4 m
Evergreen/Deciduous
Evergreen
Foliage
Creamy white to pale yellow bottlebrush flowers with narrow green leaves and reddish young stems
Flowering Period & Fruit Development/Harvest
Spring to summer [September–January] often followed by woody seed capsules
Sun tolerance
Full sun
Maintenance
Low to moderate maintenance, light pruning after flowering to maintain shape and encourage dense growth
Root System
Fibrous to moderately deep spreading root system, non invasive, typically 60–120 cm depth