Most Common Location:
Landscape plantings, meadows, prairie plantings
Cultural Control Options:
Hand pulling and removing of roots. Consider biological control for large infestations.
Additional Weed Control Information:
Susceptible to 2,4-D, dicamba, and/or quinclorac applied when true flowers and seeds developing or in fall after stems have developed new regrowth, i.e. around late September.
Glyphosate is best applied after seeds have begun development in midsummer or after fall regrowth has begun but before a killing frost. May require multiple applications.