Editor’s note: The following was written by Eric Jones, Graig Reicks, Philip Rozeboom, Jill Alms and David Vos with South Dakota State University for the university’s website June 22.
Monitor pasture weeds to time best management practices
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Pre-budding stage of Canada thistle (left). If the buds begin to open and turn pink in color, then the pre-budding stage is over.
Biennial musk thistle that has started to produce flowers that will lead to seed production.
Leafy spurge that has matured past the yellow bract stage and begun to produce seed pods (left). Closer inspection illustrates the small round seed pods that denote that these plants are too mature to be managed with herbicides (right).