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Botrytis (Grey Mould) in Thanksgiving Cactus

How to identify and treat botrytis (grey mould) in Thanksgiving Cactus.

potted_plant

Thanksgiving Cactus care requirements

water
Keep soil consistently moist during growing season (spring–summer). Reduce watering in autumn but maintain moderate moisture levels; do not allow complete drying.
soil
Use well-draining potting mix enriched with peat moss or orchid bark to mimic epiphytic conditions.
light
Bright, indirect light. Avoid harsh direct sun but provide good ambient light throughout the year.
symptoms

Symptoms to look for in Thanksgiving Cactus

  • fiber_manual_recordGrey fuzzy mould on leaves, flowers, or fruit
  • fiber_manual_recordBrown rotting tissue
  • fiber_manual_recordCollapsed flowers
help

Common causes in Thanksgiving Cactus

Caused by Botrytis cinerea. Thrives in cool, humid conditions with poor air circulation.

healing

How to treat botrytis (grey mould) in Thanksgiving Cactus

Remove all affected tissue. Improve air flow. Apply fungicide.

shield

Preventing botrytis (grey mould) in Thanksgiving Cactus

Good air circulation. Remove dead plant material promptly. Avoid overhead watering.