So - thank you to everyone who suggested spraying milk on the leaves of my plants months ago. Had I taken prompt action I might not be here right now telling you that my plants are covered in powdery mildew and I'm having to hack off leaf after leaf after leaf. My two early and huge crops - zucchini and cucumber - aren't looking as green as they should. In fact they aren't even looking green at all. They are all splotchy, powdery and white. Powdery mildew is an airborne fungus that doesn't require constant dampness to form. In fact the heat helps it to spread. Once it is on the plant it spreads fast. Research online gives me the following causes: 1. Overcrowding - Guilty as charged. 2. Watering from overhead - Guilty again. 3. Hot sun - I can't take the blame on this one, but it's there. 4. Humidity - Check. 6. Letting it go too long once I noticed it - Double check. Solutions 1. Cut off severely affected leaves. 2. Spray weekly with a 50/50 milk and w...
I'm building my first real garden in northeast Ohio and sharing my successes and failures with you.