Callistemon
Callistemon citrinus
shrubCallistemon, commonly called Bottlebrush, is an evergreen shrub renowned for its distinctive cylindrical, brush-like red flower spikes that appear in spring and summer. It is drought-tolerant, attracts birds and pollinators, and performs well in coastal and warm temperate gardens. The plant requires minimal maintenance once established.
Common Problems
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Care Guide
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Light
Full sun (6–8 hours daily); essential for prolific flowering
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Water
Drought-tolerant when mature; water moderately during growth; reduce in winter
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Soil
Well-draining sandy or gravelly soil; prefers slightly acidic pH; tolerates poor soils
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Fertiliser
Light feeding in spring; avoid excessive nitrogen which reduces flowering
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Temperature
Prefers warm conditions (65–85°F); frost-hardy down to 15°F for some cultivars
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Humidity
Low to moderate humidity; tolerates coastal salt spray
Toxicity
check_circleSafe for Catscheck_circleSafe for Dogscheck_circleSafe for Children
Non-toxic to cats, dogs, and children
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.