Prevention and Control
Small infestations of young purple loosestrife plants may be pulled by hand, preferably before seed set. For older plants, spot treatment with a glyphosate-based herbicide such as Rodeo® for wetlands or near water and Roundup® for uplands may be effective. Biological control, using several imported beetle species approved by the USDA for release, is the most effective method for long-term control of large infestations.
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