I've been trying to kill a really robust poison oak bush, with some smaller volunteers downhill from it, with vinegar. Unfortunately, the last two times I applied it, it rained shortly thereafter, diluting it. So, so far the vinegar has only killed the grass immediately surrounding the noxious bush. Today I put another couple of cups of vinegar on it, and as it's already looking weak, hopefully this will finish it off.
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last updated 2012-04-06 13:27:13. served from tektonic