potted_plant
Crocosmia care requirements
water
Moderate watering during growing season; keep soil moist but not waterlogged. Reduce watering after blooming. Drought-tolerant once established
soil
Well-draining, fertile soil enriched with organic matter. Tolerates a wide pH range (6.0–7.5). Poor drainage causes corm rot
light
Full sun to partial shade; needs 6+ hours of sun daily for optimal flowering. More shade tolerance in warmer zones
symptoms
Symptoms to look for in Crocosmia
- fiber_manual_recordFuzzy grey-brown mould on flowers, leaves, or stems
- fiber_manual_recordWater-soaked spots that turn brown and mushy
- fiber_manual_recordBlighted flower buds that fail to open
help
Common causes in Crocosmia
Caused by the fungus Botrytis cinerea (grey mould), which thrives in cool, humid conditions with poor air circulation, often spreading rapidly on damaged or ageing plant tissue.
healing
How to treat botrytis blight in Crocosmia
Remove and destroy all affected plant material immediately, improve airflow around the plant, and apply a fungicide labelled for Botrytis if the infection is spreading.
shield
Preventing botrytis blight in Crocosmia
Avoid overhead watering and overcrowding, water at soil level, deadhead spent flowers promptly, and ensure good ventilation, especially in humid weather.