One product for proven control of broadleaf and grassy weeds, plus yellow nutsedge What it is With four powerful active ingredients, Q4® Plus Turf Herbicide for Grassy & Broadleaf Weeds offers a single product option to control crabgrass and yellow nutsedge, as well as tough broadleaf weeds like clover and chickweed. Q4 Plus is highly selective on cool-season and listed warm-season turfgrasses. It offers rapid visual response and has a one-week reseeding interval for most listed turf. Q4 Plus controls: Crabgrass Foxtail Chickweed Clover Dandelion Yellow nutsedge Many more listed grassy and broadleaf weeds Labeled for use in: Kentucky bluegrass Fescues Perennial ryegrass Annual ryegrass Bermudagrass Zoysiagrass Ideal for use on: Residential sites Golf courses (fairways and roughs) Commercial areas Recreation areas Roadsides Cemeteries Sod farms