GORDONS TRIMEC SPEED LAWN WEED KILLER READY-TO-SPRAY 1 QTGordons Trimec Speed Lawn Weed Killer Ready to Spray delivers visual results in 8 hours. Trimec Speed Lawn Weed Killer controls more than 250 weeds, including dandelion, clover, chickweed, ground ivy, henbit, wild violet, and others as listed. It won't harm lawns when used as directed. Labeled for use on northern and sensitive southern lawns (except Floratam). Covers up to 5,300 sq. ft. to 10,600 sq. ft. (northern vs. southern lawns). Guaranteed