Exclusive 2-way formula 1.) Reduces monthly mowing needs by up to half and 2.) Improves turf durability and density. Allows for longer intervals between mowing. Proven to reduce grass clippings by up to 50%. Take a VACATION from MOWING. Treats 2,600 sq ft per bag. For use on: Kentucky Bluegrass, Bermudagrass, Fescues, Bluegrass/Fescue/Ryegrass. Actives: 0.15% Trinexapac-ethyl. Do not apply to: St. Augustinegrass, Bahia grass and Zoysiagrass.