Class 2 · ControlPriority species
Yellow Starthistle
Centaurea solstitialis
Spiny seed heads that make infested ground unusable, and it is toxic to horses. Moves fast on disturbed soil and can dominate a hillside within a few seasons.
- Jun - Aug
- Treatment window
- Class 2
- Utah designation
What we know
Class 2: control
Established in varying populations statewide, at a concentration where control or eradication may still be possible. High priority.
Treatment on yellow starthistle works best jun - aug. A full profile for this species is still being written. Until it is here, the USU Extension field guide carries identification detail, and we would rather hear from you than have you guess.
At a glance
- Common name
- Yellow Starthistle
- Scientific name
- Centaurea solstitialis
- Utah class
- 2 - Control
- Treatment window
- Jun - Aug
Related
