Jonathan Green 12400 Winter Survival All-Purpose Lawn Fertilizer For All Grasses 5000 sq ftJonathan Green Winter Survival Fall Lawn Food is the ideal fall lawn fertilizer to spread anytime from early September through mid November because air temperatures are cooler and the soil is still warm enough for grass roots to grow deep. Winter Survival provides the nutrients to help boost newly seeded lawns as well as help established lawns grow thicker and greener grass with deeper roots. This product helps lawns recover from summer stress, feeds