Yellow Starthistle

Scientific Name: Centaurea solstitialis

Family: Asteraceae

Structure: 1-3 feet, erect with rigid branching stems.

Life Cycle: Annual.

Leaves: Basal leaves deeply lobed. Upper leaves small, sharply pointed, but not lobed.

Flowers: Yellow terminal, flower bracts are tipped with straw-colored, 3/4-inch thorn.

Roots: Taproot.

Treatment:

Recommendation:
1.5 to 2.0 ounces per acre of Chaparral™ herbicide OR
1.2 to 1.5 pints per acre of ForeFront^® HL herbicide