Tree Peony Problems
Symptoms	Probable Cause
Ants on Stems and Buds	Ants feed on the sticky syrup covering the buds, but they do not cause any direct harm
Flower Petals Eaten	See file on Rose Chafer
Small holes in stems	Rose Borer; see file on Controlling Borers
Leaves and Flowers Discolored	Thrips – See file on Controlling Thrips
Small Bumps on Leaves	Scale insects – see file on Controlling Scale
Shoots Wilt and Collapse; Leaves Spotted	Botrytis Blight - see below