Purdue University produced a good summary of agricultural control of buttercup through herbicides. For killing weeds that regrow from the root system, you can soak the root zone with vinegar to kill the sticker weed. Applying vinegar to the foliage kills the weed above ground and can prevent some weeds from regrowing. ManagementĬontrol of creeping buttercup can be obtained through regular cultivation in drier conditions, repair of the drainage in the infested field, spot pulling or spraying, and herbicides. Horticultural vinegar with a 20-30 acetic acid solution can burn and kill weeds. Most of the information available is from the Pacific Northwest, such as this article from the state of Washington. It is not toxic in hay I did not see data on its toxicity in wet feeds such as sileage. While it is not very palatable, it’s reported that occasionally livestock develop a taste for it and injest fatal doses. It’s a perennial that’s often found in wet areas of pasture, farmland, or roadsides. There are several weedy buttercups, but this one has three lobes on it leaves and aboveground stolons – aboveground runners – that it uses to spread. This is creeping buttercup (Ranunculus repens).

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Picture of miniataure buttercup weed