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Botrytis (Grey Mould) in Christmas Cactus
How to identify and treat botrytis (grey mould) in Christmas Cactus.
potted_plant
Christmas Cactus care requirements
water
Keep soil consistently moist during growing season (spring–summer) but reduce watering in autumn. Allow soil to dry slightly between waterings in winter.
soil
Use well-draining potting mix amended with peat moss or orchid bark to mimic epiphytic habitat.
light
Bright, indirect light. Avoid direct summer sun but provide more light in winter to encourage blooming.
symptoms
Symptoms to look for in Christmas Cactus
- fiber_manual_recordGrey fuzzy mould on leaves, flowers, or fruit
- fiber_manual_recordBrown rotting tissue
- fiber_manual_recordCollapsed flowers
help
Common causes in Christmas Cactus
Caused by Botrytis cinerea. Thrives in cool, humid conditions with poor air circulation.
healing
How to treat botrytis (grey mould) in Christmas Cactus
Remove all affected tissue. Improve air flow. Apply fungicide.
shield
Preventing botrytis (grey mould) in Christmas Cactus
Good air circulation. Remove dead plant material promptly. Avoid overhead watering.