This service is designed to thicken sparse or thin areas by applying new seed into your lawn. The right blend of grass seed has been selected for your lawn’s special conditions. If your lawn has been aerated in conjunction with seeding, please leave these beneficial cores on your lawn; they will disperse back into the lawn after a few rainfalls. Within 7 to 21 days, with proper conditions, new seedlings will emerge. REMEMBER-these plants are very tender and must be treated with extra care. Keep traffic off seeded areas to ensure healthy seedling growth.