Read the product label and follow all safety instructions
Identify the target area and the weeds or plants you want to control
Clear debris from the area before application
Apply Preen evenly to the soil surface as directed on the label
Water it in if the label instructs you to do so
Reapply only at the intervals specified on the label
Keep the product away from desirable plants unless the label says it is safe
Store the product in a cool, dry place with the container closed tightly
Wash hands and tools after use