Powdery Mildew In Flower Outdoor Greenhouse

No doubt especially one as nice looking as yours, I keep both ends open and both sides raised and am still getting it!

What part of Michigan, if you don’t mind sharing?

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Update: defoliation + sundown sprays of 3% H202 mixed at a 1:9 ratio with tap water + morning leaf blower love = WORKING!

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Hell yeah dude! I’ll tell my dad about the leaf blower in the morning. That’s right up his alley

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Thanks on the greenhouse compliment. I designed and sourced everything. And installed it. I live in the grand rapids area

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How often are you spraying?

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Same with mine, cost maybe 500$ total and is still standing so I’m a happy guy, I’m in Flushing myself

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I sprayed right after defoliation and the following night. I plan on doing this every 3-4 days because OCD and I mixed up 1000ml of 3% so i’ve got 9000ml to work with and i’d rather go too far than deal with buds going bad.

Regardless I still plan on a 4 step bud wash: Diluted H202 → Lemon/Baking Soda-> wash #1 → wash #2

I though some indoor needed to become bubble hash with a light amount of PM last winter but I did the above and it’s all smokable flower!

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Be careful about manually manipulating leaves with pm spores on them. It is a good way to spread spores. Make sure you spray directly before or after.

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Do you mean spray directly before and after? I guess I’m a little confused.

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I sprayed with water to wet down the plants to defoliate; then i sprayed down the plants with 9 parts water to 1 part 3% H202 solution in the latter hours of the day with enough time to dry out but not bright enough to risk burning.

Edit: I hope that clarifies things @hewhocoruptz

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Gotcha. What is the purpose of spraying before? And is that just plain water?

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PM spores travel via the wind; by spraying the plants down with water the spores can’t spread.
I forgot to mention i clean myself up in between each plant. Best of success!

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Ahh yes. Thanks dude much appreciated.

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:fist_right: :fist_left:

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Some spores like water some don’t best just to spray whatever cure you favor and not help spread the spores with the wind .

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So after a few days of spraying and removing foliage I do not see the PM spreading a whole lot but that doesn’t mean its gone. I have a feeling that it will be a rest of the season ordeal. I think the hydrogen peroxide is helping.

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