Fred from Seattle, Wa writes
Yes, Hi-Yield Weed and Grass Stopper with Dimension Herbicide provides pre-emergent control of Crabgrass and will controlof other listed weeds when applied prior to their germination. In newly established lawns of Kentucky Bluegrass, Perennial Ryegrass and/or Tall Fescue, this product may be applied two weeks after the first sign of germination. You can view our Cool Season Lawn Care Guide here or contact your local extension office for the best time to apply the product in your region.
Answer last updated on: 01/22/2018
