June 16, 2024

Noxious Weeds and Pests


S. D. noxious weeds and
declared pests are:
Fall River County locally
noxious weeds are:

Absinth Wormwood

Canada thistle

Hoary cress

Leafy spurge

Perennial sow thistle

Purple loosestrife

Salt cedar

Prairie dog

Gypsy moth

Common mullein

Scotch thistle

Dalmatian toadflax


Bull thistle

Musk Thistle

Plumeless thistle

Be on the lookout for these weeds:
  • White Horehound Mint
  • Black henbane
  • Spotted knapweed
  • Diffuse knapweed
  • Sulfur cinquefoil
  • Absinth wormwood
  • Yellow toadflax
  • Common tansy
  • St. Johnswort
  • Puncturevine
  • Common burdock
  • Giant knotweed
  • Chicory
  • Poison hemlock
  • European common reed (Phragmites)


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