10 Best High Nitrogen Lawn Fertilizer 2026 in the United States

Scotts Green Max Lawn Food is a high-nitrogen lawn fertilizer designed to provide rapid greening and improvement of your lawn. With a dual-action formula that includes a 5% iron supplement, it promises deep greening in just three days, making it an excellent choice for homeowners looking for quick results. This fertilizer is suitable for use on any grass type during spring, summer, or fall.

The product's granule form allows for easy application and even distribution across your lawn, covering up to 5,000 sq. ft. per 16.67 lb. bag. Additionally, it is safe to re-enter the lawn immediately after application, and it won't stain surrounding concrete or surfaces if used as directed. Those seeking a reliable, fast-acting lawn fertilizer with added iron will likely find Scotts Green Max Lawn Food to be a valuable option.

Scotts Turf Builder Southern Lawn Fertilizer is designed specifically for Southern grass types, making it a good choice if you have a lawn in that region. Its formulation includes Scotts All-in-One Particles, which help build strong, deep roots to better withstand heat and drought—common challenges in Southern climates.

The product is a powder form fertilizer covering up to 10,000 square feet, which is convenient for mid-sized lawns. You can apply it on both wet or dry grass during the growing season, offering flexibility in timing.

If you want a fertilizer that targets Southern grass with some root-strengthening benefits and ease of use, this product fits well. It is suitable for those looking for a reliable option tailored to Southern lawns.

The Scotts Turf Builder Triple ActionI is a comprehensive lawn care product that combines weed control, crabgrass prevention, and fertilization in one formula. It offers a convenient solution for those looking to maintain a thick, green lawn while tackling common lawn issues like dandelions and crabgrass. This product is suitable for various grass types, including Kentucky Bluegrass, Bermudagrass, and Tall Fescue, which makes it versatile for different lawn environments.

The treatment covers 4,000 square feet, providing ample coverage for medium-sized lawns. The granules are easy to apply using a Scotts spreader and require watering in after 24 hours to activate the formula effectively. The recommended application is in early spring, aligning well with seasonal lawn care routines to target actively growing dandelions.

While it offers a balanced N-P-K ratio for feeding grass, it's essential to consider additional treatments if crabgrass is already present. Users looking for a straightforward, multipurpose lawn care solution will find this product beneficial, but those with severe crabgrass infestations or very specific nitrogen requirements might want to consider supplemental options.