When to apply
Apply Preen Lawn Weed Control Plus Crabgrass Preventer in spring or fall when grass and weeds are actively growing and the soil is moist. Do not apply under drought conditions.
In spring, the best time to apply is when forsythia is in bloom or when dandelion flowers appear. In southern states, make a second application of Preen Lawn Weed Control Plus Crabgrass Preventer 6 to 8 weeks after the first for the best control.
In fall, apply when the weather cools, but grass and weeds are still actively growing, usually around Labor Day.
How to apply
Apply Preen Lawn Weed Control Plus Crabgrass Preventer when the grass is wet from dew or rain. Preen Lawn Weed Control Plus Crabgrass Preventer will not work well if applied to dry lawns.
Apply Preen Lawn Weed Control Plus Crabgrass Preventer when wind is calm and there is no threat of rain for 24 hours. Delay mowing for 3 days after application.
Use a drop or rotary spreader designed to apply granular fertilizers.
Applying Around Not Well-Established Turfgrasses
Use of Preen Lawn Weed Control Plus Crabgrass Preventer on lawns and ornamental turfgrasses that are not well-established, or have been weakened by stress due to mechanical operations, pests, excessive temperatures, or lack of moisture, may increase the chances of turfgrass injury. It is advised that you do not apply this product to lawns or turfgrasses that are under stress.
If the lawn has been seeded recently, wait until after the third mowing before using this product. Do not seed or overseed the treated area for 10 weeks after application.
This is not the product label. Always read and follow directions on the product label. Use only as directed.