March 30, 2020

Noxious Weeds and Pests


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

Canada thistle

Perennial sow thistle

Hoary cress

Russian knapweed

Purple loosestrife

Salt cedar

Prairie dog

Gypsy moth

Common mullein

Scotch thistle

Dalmatian toadflax


White Horehound

Bull thistle

Musk Thistle

Plumeless thistle


Be on the lookout for these weeds:
Black henbane

Spotted knapweed

Diffuse knapweed

Sulfur cinquefoil

Absinth wormwood

Yellow toadflax


Common tansy

St. Johnswort


Common burdock

Giant knotweed


Poison hemlock

European common reed (Phragmites)