"Ann" wrote in message
Himanshu expounded:

Can anyone confirm that it is Botrytis? Here are some pictures

http://home.comcast.net/~hgohel/Peony/PeonyDisease.htm

Powdery mildew.

Spray it with milk mixed at a rate of 1 part milk to 9 parts water. Use
real milk not UHT or low fat.