nurtomi

Gray mold on flowers or leaves

Soft brown tissue and gray fuzz can occur with Botrytis.

Gray mold on a rose bud.
Gray mold on a rose bud. Photo: Flowersabc · CC BY-SA 2.0 · Resized and converted for display.

What to look for

Inspect fading flowers and damaged leaves for spreading brown areas and gray fuzzy growth, especially in cool, damp conditions. Other kinds of decay can look similar.

What to do

Remove affected flowers and leaves carefully, clean away fallen material and improve airflow. Water the soil rather than wetting the foliage, and monitor nearby healthy growth.

Sources