Weed & feed with Trimec is easy to use and kills weeds while feeding the lawn. Provides fast green-up and timed release for extended feeding. Controls most common lawn weeds including dandelions, white clover, chick weed, and more. Grass should be wet from dew or sprinkling before application. This helps particles adhere to weed leaves for the best results. Do not apply by hand. Do not apply if rain is expected within 24 hours. Apply when daytime temperatures are between 60 deg (degrees) F (Fahrenheit) and 90 deg F. Ideal to apply when weeds are growing. Contains SURFCOTE (Sustained Uniform Release Fertilizer) to continuously provides nutrients to the lawn.