Square stemmed plant in garden - Ask Extension
This has been growing wild in my garden, with many others. Some type of salvia, or wild mint? Is it native, weedy, or invasive? Thank you!
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Square stemmed plant in garden #584215
Asked July 28, 2019, 3:41 PM EDT
This has been growing wild in my garden, with many others. Some type of salvia, or wild mint? Is it native, weedy, or invasive? Thank you!
Hennepin County Minnesota
Expert Response
Motherwort (Leonurus cardiaca) is a nonnative perennial weed from Eurasia. Plants create colonies from spreading rhizomes. Non-selective herbicides such as glyphosate can be used, but use
cautionto reduce drift to non-target vegetation.
https://www.minnesotawildflowers.info/flower/motherwort
Rats!! Time for me to start pulling them up! Thanks for your quick response!