Water-soaked, fungal lesions in oleander blossom infected with gray mold, Botrytis cinerea.

Brown, water-soaked spots on single white oleander, Nerium oleander, blossom probably from gray mold, Botrytis cinerea (Hyphomycetes) or Alternaria sp. Davis JKC  Credit: Jack Kelly Clark, UC IPM
Credit: Jack Kelly Clark, UC IPM