Skin Burned After Pruning Hydrangea With Mildew Or Fungus

Question From: N. Walrath - Rumson, New Jersey, United States
Q: I was pruning a hydrangea with a mildew or fungus on it. Where it touched my skin it burned and continues to burn after washing. What could this be from?

A: I can't answer this one Nancy. I have not heard of mildew spores acting as an irritant. Best Nancy