ASK ED MARIJUANA GROW TIP #43: DEALING WITH POWDERY MILDEW
POWDERY MILDEW: As you can see from the first photograph below, my plants were suffering from powdery mildew. I sprayed the plants with a solution of Ed Rosenthal’s Zero Tolerance Fungicide diluted slightly with 1 quart of water to a gallon of the fungicide, and added an ounce of Serenade® concentrate to the mix. I used a [...]
