Talstar PL Granular Insecticide with its unique sand core granular structure, provides long-term protection against insects in lawn, gardens and landscaped areas for two to four months. Containing the active ingredient bifenthrin, Talstar PL penetrates deep into mulch and grass to kill pests where they breed and hide. Simply spread the granules over the lawn and water in according to the label directions. Talstar PL Granular Insecticide is similar to sand, and therefore can penetrate deep into the soil. PL means perimeter and lawn.