Preen Lawn Crabgrass Control prevents crabgrass and other grassy and broadleaf weeds for up to 4-months when applied prior to their germination in lawns and ornamental turfgrasses. It also provides post-emergence control of seedling crabgrass for up to 4-weeks after it germinates. Don't choose between killing and preventing get both. Because it can be applied later in spring， Preen Lawn Crabgrass Control provides season-long control for some of the toughest weeds， including crabgrass， chickweed， henbit， yellow foxtail and spurge. Use it on many types of cool and warm season grasses， including Bent grass， Fescues， Kentucky bluegrass， Ryegrass， Bermudagrass， Carpet grass， St. Augustine grass and Zoysiagrass.

Stops crabgrass all season and can be applied up to 4-weeks after crabgrass emerges

Prevents crabgrass and 40+ common lawn weeds

Prevents crabgrass all season

Can be used on cool and warm season grasses: creeping bentgrass， Kentucky bluegrass， fine fescue， tall fescue， perennial ryegrass， bahiagrass， bermudagrass， buffalograss， carpetgrass， centipedegrass， St. Augustinegrass， zoysiagrass， apply as directed

Covers 5，000 sq ft