Weed Control
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Yellow Starthistle
Information | Images
Centaurea solstitialis
Winter annual
Identification and management tips
- Single yellow flowers with large spines that can have significant damage to animal mouths and eyes.
- Because this plant can completely change the natural habitat it invades, it is very important to prevent seed production and eradicate small populations.
Most effective control methods and timing
| March | April | May | June | July | Aug | Sept | Oct |
|---|---|---|---|---|---|---|---|
|
Chem |
Chem |
Chem |
Cult |
Cult |
Prevention (Prev)
Monitor and destroy new plants before seed production.
Mechanical (Mech)
Hand pulling, digging, cutting, mowing and tilling.
Cultural (Cult)
Biological control agents, livestock grazing, and revegetation practices.
Chemical (Chem)
Selective herbicides based on the plant and the specific location. Check our weed fact sheets for specific control information.
Links
Photo credits
Left to right:
- Jeff Schalau, ASU; Steve Dewey, USU