BroadStar Herbicide from Valent Professional Products is an odorless and dust-free granular preemergence herbicide that eliminates a broad spectrum of annual broadleaf and grassy weeds such as spurge, bittercress, oxalis, common groundsel and crabgrass in containerized and field-grown woody and ornamental trees and shrubs. It is for use on non-bearing fruit and nut trees grown in nurseries.