CLASS 1A WEEDS
CLASS 1B WEEDS
Blueweed (Vipers bugloss)
Common St. Johnswort
CLASS 2 WEEDS
CLASS 3 WEEDS
Perennial sorghum ssp. (Johnsongrass)
Phragmites (Common reed)
CLASS 4 WEEDS
Cogongrass (Japanese blood grass)
This biennial plant commonly grows three to eight feet tall, but it may grow as high as 12 feet.
First year rosettes are 5 to 12 inches across. Second year rosettes may be four feet wide. Large spiny leaves up to two feet long and one foot wide are covered with dense hair, giving a grayish blue-green coloration.
Scotch thistle is native to Europe and eastern Asia. It grows well in waste areas, pastures, range land, and along canal and stream banks.
The flowers are violet to reddish with spine tipped bracts, blooming in mid summer.
Stems are heavily ridged and very spiny.