Summit Tick & Flea Spray is the single most effective way to reduce blacklegged (deer) ticks in your yard and outdoor areas. Ideal to apply to the yard perimeter, shady perennial beds, or along trails and paths in woods. Contains permethrin, a chemical recognized as providing superior tick control. Apply according to label instructions and each quart will treat up to 5000 square feet. Kills and continues killing and repelling for up to 4 weeks. May also be used to control other outdoor insect pests such as ants, fleas, mosquitoes, earwigs, chichbugs, crickets, tent caterpillars, aphids, bagworms, and more.