Lady Bird Johnson Wildflower Center - The University of Texas at Austin information

 Native Plant Database

Cirsium canescens

Prairie thistle

Asteraceae (Aster Family)

Cirsium canescens (Prairie thistle)
Smith, R.W.

Cirsium canescens, a yellow thistle, has leaves that are white and velvety beneath and grayish above, with leaf bases extending wing-like down the stem. It is often found on overgrazed western pastures.

Image Gallery:

3 photo(s) available

Plant Characteristics

Duration: Biennial
Habit: Herb
Root Type: Tap
Leaf Shape: Elliptic , Obovate , Oblong
Size Notes: Height 20-100 cm.
Size Class: 0-1 ft. , 1-3 ft.

Bloom Information

Bloom Color: White , Purple
Bloom Time: May , Jun , Jul , Aug


USA: CO , ID , MT , NE , NM , OH , SD , WY

Last Update: 2015-02-10