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Entry Date
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Location
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Thursday, June 11, 2026
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Kevin_M
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Mission Viejo, CA
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Entry 26 of 26 |
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It's Powdery Mildew season around these parts. What I'm about to share is good for controlling existing PM infestations. I stand by it and hope this helps someone else.
This is the formula using the "All Seasons Oil" concentrate.
In 1-gallon of water add 4 tablespoons of Oil and 1 tablespoon of Baking Soda. Mix thoroughly and spray the affected areas.
If you get the Ready-to-Use (already diluted) quart then you would add 3/4 of a teaspoon of baking soda to the solution. Shake the container before each use.
The oil kills Powdery Mildew on contact and the baking soda keeps the disease spores from reinfecting for several days. Apply every week for good control. Do not apply during wet or misty weather or when temperatures exceed 90 degrees F.
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