How do you treat fungal spots on Bearded Iris?
I have leaf spot fungal on my bearded iris. What do I need to spray with and how often
Spray your bearded irises with Yates Leaf Curl Copper Fungicide Spray to control fungal leaf spot. Apply when the disease first appears and repeat at 7 - 14 day intervals if required.
Answered: 29 Jun, 2014