I have a veggie garden in my backyard and it's growing fast. I mixed compost in with the soil. Now that the plants are getting big, I'm having a problem with this white residue on the leaves. It looks like someone threw flour on the plants, and I don't know what it is and how to get rid of it.
White Residue on Garden Plants
Certified GKH Gardening Expert
The white residue is powdery mildew. 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