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Brown Tips in Callistemon
verifiedReviewed by the GreenScout Team
Callistemon, commonly called Bottlebrush, is an evergreen shrub renowned for its distinctive cylindrical, brush-like red flower spikes that appear in spring and summer
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Callistemon care requirements
These care conditions are most relevant to brown tips in Callistemon. Check each one as a potential cause.
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Humidity
Low to moderate humidity; tolerates coastal salt spray
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Water
Drought-tolerant when mature; water moderately during growth; reduce in winter
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Temperature
Prefers warm conditions (65–85°F); frost-hardy down to 15°F for some cultivars
symptoms
Symptoms to look for in Callistemon
- fiber_manual_recordBrown crispy leaf tips
- fiber_manual_recordBrowning progressing inward
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Common causes in Callistemon
- fiber_manual_recordLow humidity
- fiber_manual_recordUnderwatering
- fiber_manual_recordFluoride or salt build-up
- fiber_manual_recordFertiliser burn
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How to diagnose brown tips in Callistemon
Check humidity and watering frequency. If soil is dry, underwatering is likely. If soil is moist, check humidity levels.
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How to treat brown tips in Callistemon
Increase humidity with a humidifier or pebble tray. Water more consistently. Flush soil if salt build-up is suspected.
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Preventing brown tips in Callistemon
Maintain 50%+ humidity. Water with filtered or distilled water. Avoid over-fertilising.