Heavy grazing by sheep is the best method of controlling whiteweed in permanent pasture. Stock that have grazed mature whiteweed plants can spread seed to clean areas, so grazing should be timed to avoid seed production.

How do you treat Whitetops?

Metsulfuron is the most effective herbicide on whitetop and can be found in a variety of products such as Ally, Escort, Cimarron or Chaparral. Herbicide should be applied to rosettes early in the spring or to fall regrowth. Successful control usually depends on an aggressive reapplication program.

How do you control hoary cress?

Chemical - Herbicides can be used to control hoary cress, but success can be difficult. Metsulfuron, chlorsulfuron, MCPA, DCPA, dicamba, glyphosate, and 2,4-D have been used to control the plant.