Cocklebur, common

Common cocklebur flowers and leaves. Photo:

Herbicide resistant populations of common cocklebur are present in many states throughout the midwest, south, and mid-Atlantic. Cocklebur is a summer annual that can reach 2-4 ft. tall.

Resistant populations:

  • Group 2
  • Group 17

Locations of resistant populations:

Arkansas, Illinois, Iowa, Maryland, Minnesota, Mississippi, Missouri, North Carolina, Tennessee (Search by State to see which resistant populations are present in each state)


Common Cocklebur – Weed Identification Guide – Virginia Tech University

Weed Resistance to Herbicides – University of Arkansas