Centaurea maculosa Lam.
- A biennial to short-lived perennial weed that spreads by seed only
- Grows one to three feet tall, sometimes taller
- Produces small pink, white, or lavender flowers during summer months
- Bracts below flower head have dark spots but are not spiny
- Grows in disturbed soil, rangelands, pastures, meadows and roadsides
- Cut or mow prior to seed set to reduce current year's growth, or dig, removing the top 2-6 inches of root
- Chemical controls are available