My Eglantyne Rose has patches of powdery mildew which I have tried to treat with Rose Clear unsuccessfully. Should I continue treating bearing in mind the spray states to use up to 4 times a year? I have read that removing affected foliage is another option but would mean cutting a significant amount off of the Rose. Any help would be appreciated!
Eglantyne Powdery Mildew
Anna Ross3 years ago
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