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We, here in the North East, Zone 7, have had the HOTTEST, and WETTEST summer ever.......We were out- of- the-state, until April, and came in to rain that lasted until the end of May, then the heat started, and it has been relentless. Today, the temperature is right now, 77 degrees, and it is almost 8 P.M.
From June to about three days' ago, the temperatures have been in the 90's with horrendous humidity......I have heard of climate change, but up to about three years' ago, the most we had temperatures of 90"s plus was for about three times per month.........and there is no place to run.....
Practically every plant in my garden that is susceptible to Powdery Mildew has it......there is no place to hide. I usually get it in one or three plants...........now is rampant......... I have tried four of the organic methods to no avail.
What were the four organic methods that you have already tried? Did you try garlic spray yet? If not, you can make your own very easily. This link has basically the same recipe that I use when I make mine --> https://www.growingformarket.com/art...ldew-solutions
Garlic spray works well as a preventative on new growth, but not as a cure for leaves and stems that are already infected. Infected leaves and stems have to be removed, and as Reactionary said above, don't compost them, put them in the trash or burn them. There's some other helpful tips and information about other remedies for powdery mildew at that link too, as well as information about the types of powdery mildew.
Be sure to prune the infected plants and throw away (not compost) the infected parts before you treat.
I used Serenade, and Daconil.........zilch....However, Daconil has a concentrated one, and is more expensive, but I purchased the regular one......Serenade was a joke.....
What were the four organic methods that you have already tried? Did you try garlic spray yet? If not, you can make your own very easily. This link has basically the same recipe that I use when I make mine --> https://www.growingformarket.com/art...ldew-solutions
Garlic spray works well as a preventative on new growth, but not as a cure for leaves and stems that are already infected. Infected leaves and stems have to be removed, and as Reactionary said above, don't compost them, put them in the trash or burn them. There's some other helpful tips and information about other remedies for powdery mildew at that link too, as well as information about the types of powdery mildew.
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I have tried the oil, with baking soda.... and other organic ones that I cannot remember right now, but I will try everything that is recommended. I have had it in the past, never went away, but I have noticed that in previous years, when I sprayed a lot, the next year it did not come back as much. In those occasions, I tried Maneb and Captan, from Jung Seed. This year, I did not used these because I wanted to see, if the organics will work.....nothing.....nada....zilch....
PHLOX PANICULATA, is one of my favorite flowers, the other one is Dahlias.......I will continue to grow Phlox.
Nothing can beat these, for beauty, fragance, and the length of time they flower.......even with the P/M on them.
Now P/P are coming in, shorter, and with less tendency for P/W......love them..... they are gaining lots of attention, from corporations. Maybe a cure is in the making. Thank you, everyone, greatly appreciated....
sasie - I've had good results with Garden Safe Neem Oil Extract (from Big Orange). I use their Insecticidal Soap for some insects (sucking insects are the biggest problem in my area. Plus, it says safe for organic gardening (however I don't really care as I use them on ornamentals).
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