Yellow starthistle (Centaurea solstitialis)

Weed photo of: Centaurea solstitialis
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Keys to ID:



Mech: Hand pull, making certain to pull all the roots. Remove all parts of plant including dry skeletons. Timing of mowing is critical; early season mowing can increase starthistle density. It is best to mow when plants had just started to bloom to reduce flower head density and mow again to remove re-growth.


Be careful of spines, as they are very sharp and can get imbedded under your skin. Make sure you do not spread seeds from this plant after entering infested areas.