I threw a few wild grape(?) on my dump pile earlier this spring to see how they transplant. This one is growing well enough to consider potting it. The woods/lots are full of this around here, some 4-6" diameter, so it might be worth collecting a large one.
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I also collected some oriental bittersweet vine, but its just a stick in a pot now. My wife loves the berries.
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These are both seriously invasive around these parts.
CW