This disclosure relates to the use of a high-strength, aqueous herbicidal concentrate to control undesirable vegetation, the concentrate comprising the clopyralid dimethylamine salt, in solution in the water in an amount of from 450 grams of acid equivalent per liter (gae/l) to 850 gae/L of the total composition. The formulation is stable to storage and exhibits lower viscosity at low temperatures than other clopyralid amine salt formulations.