• Preen Lawn Crabgrass Preventer should be applied in the spring or fall prior to weed seed germination for control of weeds in established lawns and ornamental turfgrasses. When this product is applied in the fall, a second application must be made the following spring to provide season-long control of weeds.

• Do not seed, reseed, overseed or sprig for 8 weeks after application.

• When establishing a new lawn of Kentucky bluegrass, Perennial ryegrass and /or Tall Fescue, this product may be applied 2 weeks after the first sign of grass germination. For other turfgrass, wait until the grass is well established (2 mowings) before applying this product.

• Improved weed control may occur when this product is applied within a few days after mowing and further mowing is delayed until the turfgrass has been watered or received rainfall to dissolve the granules.
  

Correct Setting Of Your Spreader