You could also use cardboard layed flat. It blocks all the light long enough to kill every weed under it, and then in spring, it either already decayed, or you can pick it up and throw it away.
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We do wood chip paths and the weedy growth gets chopped up a bit and tossed on the paths. We'll weed like that all season - walking on the paths break everything down further as we go. If the winter is wet and warm we'll use the paths as a fertilizing mulch the following year. If winter is cold and relatively dry we'll use it after another year
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