Home/Plants/Peony/Botrytis Blight
coronavirus

Botrytis Blight in Peony

How to identify and treat botrytis blight in Peony.

potted_plant

Peony care requirements

water
Regularly when establishing. Drought tolerant once established.
soil
Deep, fertile, well-draining soil.
light
Full sun to partial shade.
symptoms

Symptoms to look for in Peony

  • 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 Peony

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 Peony

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 Peony

Avoid overhead watering and overcrowding, water at soil level, deadhead spent flowers promptly, and ensure good ventilation, especially in humid weather.