Weeping Bottlebrush (Callistemon viminalis)

Weeping Bottlebrush

Callistemon viminalis

Its brush-like blooms glow like fiery red torches against weeping foliage. Evergreen ornamental tree; common name: weeping bottlebrush.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; requires at least 6 hours of direct sunlight for abundant flowering
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Watering Water deeply when top 5–7 cm of soil is dry; tolerate short periods of drought once established
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Temperature Thrives in warm temperate to subtropical climates; tolerate light frost (down to 5°C) when mature
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Characteristics

  • Leaf: Narrow, linear evergreen leaves; aromatic when crushed, gray-green to dark green
  • Flower: Cylindrical, brush-like red blooms with prominent stamens; resemble bottlebrushes
  • Stem/Bark: Slender, pendulous branches; rough, fibrous brown bark with age
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Care Guide

Watering

Water regularly to support flowering; avoid waterlogging

Fertilization

Apply balanced slow-release fertilizer once. Avoid over-fertilization to prevent excessive foliage growth at the expense of blooms

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours; dilute 1:20 for root drench; avoid raw peels to prevent pest issues
Pruning
  • Deadhead spent blooms to encourage repeat flowering
  • Trim overgrown branches in late winter to maintain weeping shape
  • Remove damaged or diseased foliage to improve airflow
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no known adverse effects

Humans: No known toxic effects to humans

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Garden Uses & Culture

Culture: Symbolizes resilience and vibrant energy in Australian native gardening

Usage: Ornamental tree for gardens, hedges, or street planting; nectar source for birds and pollinators