I've got powdery mildew on my runner bean plants. How do I get rid of it?
Powdery Mildew on Runner Bean Plants
Certified GKH Gardening Expert
Here is an article or two that you may find helpful: https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm
You can also use neem oil on powdery mildew. Here is more information: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm