Scotts 32367F 5M Turf Builder + Halts, 5 M Stops crabgrass before it invades - and protects all season Feeds for a fast green-up after winter Rain, snow or freezing conditions won't affect product performance For best results lawn should receive 1/4 to 1/2 inch of water from rainfall or watering within 2-3 days after application Not for use on dichondra or bentgrass lawns