10 Best High Nitrogen Lawn Fertilizers 2026 in the United States

Scotts Green Max Lawn Food is a high-nitrogen lawn fertilizer designed to promote quick greening of your lawn. Featuring a dual-action formula that includes an iron supplement, it promises visible results within just 3 days. This product contains 5% iron, which aids in enhancing the greening process efficiently. It can be applied to any grass type and is suitable for use in spring, summer, or fall, making it versatile across different seasons.

The granular form allows for easy application, and it covers up to 5,000 sq. ft., ensuring a broad reach for larger lawns. One significant benefit is that it guarantees not to stain surrounding surfaces like concrete or driveways when used as directed, which is often a concern with iron-containing products. Additionally, it's safe for re-entry immediately after application, so you don’t have to worry about keeping pets or children off the lawn for long periods.

Users looking for a fast-acting, easy-to-apply fertilizer with added iron for quick greening will find this product particularly beneficial.

Scotts Turf Builder Lawn Food appears to be a solid choice for anyone seeking a high-nitrogen lawn fertilizer. One significant advantage is its versatility, as it works on any grass type and can be applied to both wet and dry lawns. This flexibility makes it suitable for a variety of lawn care routines.

Additionally, the product is designed to feed and strengthen grass, promoting strong, deep roots and improving the lawn's ability to absorb water and nutrients. This can help protect your grass against future problems, making it a good option for maintaining a healthy lawn over time. The coverage is also notable, with a 12.5 lb. bag able to cover 5,000 sq. ft., making it economical for larger lawns as well.

The product is a powder, which may be less convenient to handle and apply compared to liquid fertilizers. Those with highly specific lawn care requirements or preferences might find it less tailored than other specialized fertilizers. Scotts Turf Builder Lawn Food is a versatile and effective high-nitrogen lawn fertilizer suitable for general lawn maintenance, especially for those with larger lawns and a variety of grass types.

The Petramax Liquid Nitrogen Fertilizer 28-0-0 is a high-nitrogen solution designed to promote a lush, green lawn, particularly suitable for spring and summer use. With a significant 28% nitrogen content, it caters well to nitrogen-deficient lawns needing a quick green-up. Its 28-0-0 N-P-K ratio focuses solely on nitrogen, making it ideal for those whose lawns predominantly require this nutrient. The dual quick and slow-release technology is a standout feature; 70% of the nitrogen is quick-release for immediate effects, while 30% is slow-release to maintain growth over time. This blend ensures both immediate and sustained lawn health, reducing the frequency of applications needed.

Applying the fertilizer is straightforward, as it can be easily mixed with water and sprayed over the lawn. Its suitability for all grass types enhances its versatility, whether your lawn consists of warm- or cool-season grasses. The coverage is impressive, treating up to 25,600 sq. ft. for maintenance or 12,800 sq. ft. for nitrogen-deficient areas, which is ideal for both small and large lawns.

However, being a liquid form, users will need a sprayer for application, which might require additional investment if one isn't already owned. The focus solely on nitrogen means if your lawn requires phosphorus or potassium, those will need to be supplemented separately. Additionally, the seasonal recommendation for spring and summer suggests it may not be the best choice for year-round fertilization needs.

This product is particularly beneficial for those looking to quickly enhance the green appearance and health of their lawn with a high-nitrogen solution, especially in warmer seasons. Its easy application and dual release formula provide both immediate and lasting benefits, though users should consider their full nutrient needs and equipment for optimal results.