Over decades research has shown herbicides not only to be a cost effective brush control tool but in many circumstances a superior environmental choice to brush cutting. Too often, however, vegetation managers build unrealistic expectations about the durability of results based on constrained budgets necessitating a magic bullet or enthusiasm generated when assessing a first time herbicide application.

This article seeks to build an understanding of why herbicides provide effective brush control; what should be expected to occur on the right of way in the future; data verifying the expectations; and, the origins of economic gains. Discussion is restricted to right-of-way brush control...