10 Best Fall Lawn Fertilizers 2026 in the United States

Milorganite All-Purpose Fertilizer is a slow-release, organic option with an N-P-K ratio of 6-4-0, providing a moderate amount of nitrogen, some phosphorus, and no potassium. It promotes steady, long-lasting green growth in lawns without the risk of burning plants, which can happen with high-salt synthetic fertilizers. The nutrients feed your lawn and garden gradually over 8-10 weeks, so watering in after application is not necessary, saving time and effort. A 32-pound bag covers about 2,500 square feet, suitable for average-sized yards.

Milorganite All-Purpose fertilizer is a slow-release, organic option with an N-P-K ratio of 6-4-0, meaning it provides moderate nitrogen and phosphorus but no potassium. This balance supports lawn greening and root growth well in fall applications. Its slow-release formula feeds your lawn and garden for 8 to 10 weeks, reducing the risk of burning plants—a common concern in fertilizers—because it contains almost no salts. It’s especially good if you want to avoid streaks or stains and need iron to enhance your lawn’s color without damaging concrete or sidewalks.

The Jonathan Green Veri-Green Starter Fertilizer is designed specifically for seeding and sodding, making it a great option for those looking to establish new grass in their lawns. The 12-18-8 N-P-K ratio indicates a high phosphorus content, which is essential for developing strong roots in new grass seedlings. This makes it particularly effective for those starting a lawn from seed or laying down sod, as it promotes deep and dense root growth.