Invasive & Non-Native Plants in South Dakota
These non-native plants are among the most commonly recorded spreading in South Dakota. Many crowd out the plants local wildlife depends on. The good news: there's a native you can plant instead.
Canada thistle
1,131 sightingsCirsium arvense · non-native to the U.S.
Plant instead: Wavyleaf thistle, Flodman's thistle, Dwarf thistle (native Cirsium)
Common mullein
793 sightingsVerbascum thapsus · non-native to the U.S.
Plant instead: a South Dakota native that fits the same spot.
Field bindweed
747 sightingsConvolvulus arvensis · non-native to the U.S.
Plant instead: a South Dakota native that fits the same spot.
Dames rocket
539 sightingsHesperis matronalis · non-native to the U.S.
Plant instead: a South Dakota native that fits the same spot.
Sweetclover
520 sightingsMelilotus officinalis · non-native to the U.S.
Plant instead: a South Dakota native that fits the same spot.
Yellow salsify
469 sightingsTragopogon dubius · non-native to the U.S.
Plant instead: a South Dakota native that fits the same spot.
Gypsyflower
420 sightingsCynoglossum officinale · non-native to the U.S.
Plant instead: a South Dakota native that fits the same spot.
Catnip
396 sightingsNepeta cataria · non-native to the U.S.
Plant instead: a South Dakota native that fits the same spot.
Crested wheatgrass
374 sightingsAgropyron cristatum · non-native to the U.S.
Plant instead: a South Dakota native that fits the same spot.
Red clover
364 sightingsTrifolium pratense · non-native to the U.S.
Plant instead: Beckwith's clover, Buffalo clover, Longstalk clover (native Trifolium)
Field pennycress
359 sightingsThlaspi arvense · non-native to the U.S.
Plant instead: a South Dakota native that fits the same spot.
Nodding plumeless thistle
349 sightingsCarduus nutans · non-native to the U.S.
Plant instead: a South Dakota native that fits the same spot.
Common tansy
319 sightingsTanacetum vulgare · non-native to the U.S.
Plant instead: a South Dakota native that fits the same spot.
Alfalfa
306 sightingsMedicago sativa · non-native to the U.S.
Plant instead: a South Dakota native that fits the same spot.
Bull thistle
270 sightingsCirsium vulgare · non-native to the U.S.
Plant instead: Wavyleaf thistle, Flodman's thistle, Dwarf thistle (native Cirsium)