Ha! Try baking soda with vegetable oil and dish soap in water. The hot summer as well as the (I’m told) epsom mix makes them hotter. Something else that I didn’t know – another wonderful reason to be following you. https://www.wikihow.com/Get-Rid-of-Powdery-Mildew-on-Plants The only thing you should be a bit careful about is that you cut the leaves off with a sharp knife or scissors and cut stem as close to the base as possible. The plant’ll be dead within a couple of weeks and you will soon be able to move onto shouting and swearing at your tomatoes. Seems to help. Hi! I think I’ll try it! Great info, My farmers market vendor offered to hire me to control their crop! It’s 1/2 a tablespoon. I need to learn how to be kind to myself. I will try Karen’s magic potion. the RHS today and get 12 months for the price of 9. Leave it for a couple of weeks and then repeat. I haven’t tried it so I can’t say for sure, but I don’t see any reason why it wouldn’t work. Which is the correct amount ? Spray the top and bottom of the leaves once a week. Any ideas as to what can be wrong? This solution works for powdery mildew on anything but remember it has to be mixed, not straight vinegar. This solution is sprayed on plants to prevent powdery mildew infections.” Respray after heavy rain, only use on foliage not soil. Hot P jelly only uses about 1/2 cup worth and I have about 4 lbs…! I was wondering if I could use Apple Cider Vinegar instead of white vinegar? Since jumping up and down and screaming doesn’t work to treat powdery mildew you’re going to have to mix up a potion to spray on the leaves. I was just getting ready to mention that same thing. Fungicides for gardeners (Adobe Acrobat pdf document outlining fungicides available to gardeners), Chemicals: using a sprayer They just look very sad during the summer. Karen Bertelsen. She refuses to let me go :-D. It sounds to me like you’re dreading it already. May I humbly suggest adding a drop or two of dishwashing liquid to made the liquid adhere to the leaf for a little longer? times, RHS Registered Charity no. It depends on if the dog is staying with you, or if you have to travel to it. Anyhoo… thought I’d share that little tidbit ;). Usually, the best approach is to hold a correct and clean air circulation inside your plants… Maybe Forensic Files can track down the missing jeans? Required fields are marked *. (Yea, I know but wanted to continue with the e words.) I don’t know Mary. How much should I charge a stranger to look after her hyperactive poodle for three weeks? thx for another addiction! Have you tried this potion on any perennials? Copyright © 2020 The Art of Doing Stuff. This person is a stranger. (I’ve experimented with a lot of ways to reduce powdery mildew and this is the most effective and easiest. According to Mary Louise Flint, University of California at Davis, Director of UC Integrated Pest Management Education & Publications says, “A simple fungicide can be made at home by combining 2-1/2 tablespoons of horticultural oil (Sunspray Ultra-Fine, Saf-T-Side, etc.) Edibles: Tebuconazole with trifloxystrobin (Provanto Fungus Fighter Plus) can be used on glasshouse crops of cucumber, courgette and summer squash. To treat the problem organically you could try mixing one part milk to nine parts water and spraying the leaves lightly on a warm, dry day. My question, too! OMG-decided to try it last night….so wonderful! I usually do the vinegar/soap thing on the bee balm, but all the leaves on the phlox are trying my patience…. I really burned up my hands and face slicing 3 pounds of jalapeños that I lost any enthusiasm for them and gave them away! Remember to use a SOAP, not a dishwashing detergent. There it is. If it’s blight the best thing I’ve found for that is (removing all the affected tomato leaves) and them spraying it with Serenade Disease Control. Good to know vinegar will do the same thing. My phlox normally gets powdery mildew in the beginning of the summer and dies a slow death but this year it didn’t. You can read my whole guide to growing zucchini  where I explain that you do indeed need to pinch and stake your zucchini plants, just like you do a tomato plant. My hot peppers are not only in such an abundance, but are mighty hot, as well. Although any plant can get powdery mildew, some are very susceptiblesuch as crab apples, cucumbers and all types of squash, lilacs, phlox, and roses. I thought vinegar was used to kill plants? The majority of the growth of most powdery mildews is found on the plant surface. I always had mildew on my zucchini, and it probably was because of all those stinkin’ unnecessary leaves. One year I lost my plants to bugs, the next year I let my garden rest, and the year after that, powdery mildew!