Grazon XC is the trusted solution for tree and broadleaf weed control in pasture. It is effective against a broad spectrum of undesirable trees and weeds in permanent pastures. WHY USE GRAZON XC? The complete solution. For broadleaf weed and tree control in pasture management. Safe to graze. No grazing restrictions for livestock or wildlife. Ease of use. Two active ingredients co-formulated into one jug in an easy to use liquid formulation.