Talstar Granules (Talstar PL), with its unique sand core granular structure, provides long-term protection against insect pests in lawn, gardens and landscaped areas for two to four months. Talstar Granules penetrate deep into mulch and grass to kill pests where they breed and hide. Simply spread the granules over your lawn and water in according to the label directions. (Talstar PL is like a sand, and therefore can penetrate deep. PL stands for perimeter and lawn). - See more at: http://www.domyownpestcontrol.com/talstar-pl-granules-p-47.html#sthash.V8KGTRBU.dpuf