My Peony Have Powdery Mildew On Green Leaves In Sept Is It Ok To Cut Them Down Now?

Question

I love to garden and have lots of different ornamental plants, not any veggies yet

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Answer 1

This would be Powdery Mildew. This fungus is quite widespread, and unavoidable. I would advise treating with the fungicide of your choice. These articles will help:

https://www.gardeningknowhow.com/plant-problems/disease/get-the-cure-for-powdery-mildew.htm

https://www.gardeningknowhow.com/ornamental/flowers/peony/powdery-mildew-peonies.htm

This collection of articles will help with the care of Peonies:

https://www.gardeningknowhow.com/ornamental/flowers/peony