Mildew on Peonies

In spite of fungicides, I have problems with powdery mildew on my peonies after blooming. They are planted in full sun with ample space between plants. Can I thin the stems out to promote more air circulation without harming the plants? They are full and start out healthy and don’t need dividing yet.

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1 Comment To "Mildew on Peonies"

#1 Comment By Nikki On 05/01/2014 @ 6:30 pm

It will not hurt to thin out the plant, but do so now in spring. These articles will help with the powdery mildew: https://www.gardeningknowhow.com/plant-problems/disease/get-the-cure-for-powdery-mildew.htm ^[1], https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm ^[2]

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

[2] https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm: https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm

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