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Botrytis (Grey Mould) in Portulaca

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

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Portulaca care requirements

water
Water sparingly once established. Allow soil to dry between waterings. Extremely drought-tolerant; overwatering is the primary killer.
soil
Very well-draining sandy or gritty soil. Add perlite and sand to regular potting mix. Tolerates poor soil.
light
Full sun required; minimum 6–8 hours of direct sunlight daily for optimal flowering.
symptoms

Symptoms to look for in Portulaca

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

Common causes in Portulaca

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

healing

How to treat botrytis (grey mould) in Portulaca

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

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Preventing botrytis (grey mould) in Portulaca

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