weeds - Knowledgebase Question

South Dayton, Ne
Question by reb7
October 19, 2009
is ther any way to get rid of Bishop's Weed.

Answer from NGA
October 19, 2009


Bishop's weed can be eliminated, but it isn't easy! Systemic herbicides such as glyphosate (Roundup) that are translocated to the roots and kill the entire plant are most effective for goutweed control. However, glyphosate is non-specific and can damage or kill desirable plants that are accidentally sprayed in the course of treating the goutweed. Contact herbicides are usually ineffective because goutweed readily leafs out again after defoliation.

Small patches of goutweed can be eliminated by careful and persistent hand-pulling or digging up of entire plants along with underground stems (rhizomes). Pulled plants can be piled up and allowed to dry for a few days before bagging and disposing of them. Be careful to pick up all rhizomes which, if left behind, can reroot and sprout new plants. For large patches, a team of volunteers or use of herbicide is recommended.

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