The present invention generally relates to high residual effect and/or low off-site movement anionic herbicide formulations and, more particularly, auxin herbicide formulations. Generally, the formulations of the present invention include an anionic herbicide (e.g., auxin herbicide), a particulate sorbent (e.g., silica), a cationic surfactant, and water. Auxin herbicides have proven to be effective and highly beneficial for control of unwanted plants.
