I think I killed all of my plants by soaking the ground of my greenhouse with vinegar to kill the weeds. It produced a pretty noxious set of fumes and the greenhouse was shut up.

I guess you didn't get the directions for spraying the vinegar. It is to be used as a foliar spray. If any of it hits the ground, you are wasting the vinegar. Next time cover the weeds with a mulch like cedarcide. Or any mulch to smother the weeds.

Being cooped up in the greenhouse, the vapors might have had an effect. I'm not familiar with that one. I'm guessing you did not use 20% vinegar or you could not have lasted long enough inside the greenhouse to spray much of anything. I'm having trouble blaming the vinegar, but I could be real wrong.

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David Hall
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Dirt Doctor Lawns Forum