Check the listing for details. Monterey Weed Whacker Killer Broadleaf Herbicide, 1 Gallon. Condition: New. Listed at 48.10 USD. Monterey Weed Whacker Killer Broadleaf Herbicide, 1 Gallon PRODUCT DESCRIPTION Weed Whacker controls over 140 types of weeds including dandelions, oxalis, poison oak, spurge, rush, clover, aster and thistle. Consider these hard-to-control weeds as good as gone! Key Product Features Our three-way herbicide is designed for use on ornamental lawns and turf. It's safe to use on Bluegrass, Fescue, Rye, St. Augustine, Bahia, common Bermuda, Centipede, Zoysia and Bent.Can be used all year long. It works best when weeds are young and actively growing. You should only use Weed Whacker twice per year in the same area.Weed Whacker can be used for spot treatment of broadleaf weeds in turf areas Weed Whacker is a three-way herbicide for use on homeowner lawns for broadleaf weed control. It controls broadleaf weeds in warm and cool season turf. There are over 250 controlled weeds listed on the label. It can be used all year long and works best when weeds are young and actively growing. Monterey Lawn and Garden Products is a leading manufacturer of plant protection chemicals and fertilizers. We strive to offer home gardeners the same professional-grade technology available to the agricultural industry. Our growing line of products provide economical and effective solutions to yard and garden problems and are properly registered and labeled to be sold to and used by the home gardener.