Mimosa weed - Knowledgebase Question

Decatur, Ge
Question by gagard
June 30, 2010
How can I control mimosa weed, Phyllanthus urinaria, with a pre-emergent?


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Answer from NGA
June 30, 2010

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Chamberbitter (Phyllanthus urinaria) is a tropical weed that has become a major pest of lawns, landscapes and plant nurseries. Glyphosate (Roundup) will kill it but you have to be careful to keep the chemical off nearby foliage. In a lawn, broadleaf weedkiller (Weed-B-Gon, Weed Stop, etc.) applied twice, seven days apart, is also effective.

The absolutely best way to control the weed is to prevent it. Apply isoxaben (Green Light Portrait) pre-emergent herbicide in late April and again in mid-June to areas where you will not be planting seeds for anything else. As with every herbicide, read the label and follow it exactly.

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