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Yellow Starthistle | Centaurea solstitialis

Annual, sometimes biennial; gray-green to blue-green in color. Stems and leaves are covered with cotton-like wool. Basal leaves are 2-3” long, uppper leaves are short and narrow. Bright yellow flowers with spines surrounding the base of the flower. 

Plant Details

Habitat NotesDisturbed sites, roadsides, rangelands, grasslands, pastures and open woodlands.
Mature Height1.5-3’