10 Best Fertilizer For Green Grass 2025 in the United States

The Sunday Green Machine Fertilizer comes in a 2-pack of 42.3oz each, designed to cover up to 10,000 sq ft. This liquid fertilizer has an N-P-K ratio of 22-0-3, which means it is high in nitrogen, making it great for promoting lush, green growth. The inclusion of seaweed, iron, and potassium further enhances its ability to strengthen grass roots and improve lawn health.

One significant advantage is its ease of application; it comes with a universal sprayer attachment that connects to your hose, allowing you to apply it in just 15 minutes, making it perfect for DIY lawn care enthusiasts. The fertilizer is best used every 4 to 6 weeks during the growing season with daily temperatures ranging from 60-89°F, and it is recommended to stop application by mid-October. However, if you have a large lawn or prefer granular fertilizers, this might not be the best option due to its liquid form and the need for frequent reapplication.

Additionally, while it offers a healthier alternative to more chemical-heavy fertilizers, its premium nature comes at a higher cost, which might not suit every budget. For those looking for an easy, quick, and environmentally friendly way to achieve a green lawn, the Sunday Green Machine Fertilizer is a solid choice.

Scotts Liquid Green Max Lawn Food is a convenient option for anyone looking to quickly enhance the green color of their lawn. The dual-action formula not only fertilizes but also supplements with iron, providing noticeable results in as little as three days. This makes it ideal for those last-minute lawn preparations before social gatherings.

One of its biggest strengths is its versatility; it can be applied to any type of grass and is effective from early spring through late fall, making it a practical choice for various seasonal needs. The liquid form and easy application method, using just a hose, eliminate the hassle of dealing with granules or spreaders, appealing to those who prefer a straightforward lawn care routine.

Covering up to 2,000 square feet, this product offers decent coverage for small to medium-sized lawns. Its combination of ease of use and rapid results make it a valuable option for maintaining a vibrant green lawn throughout most of the year.

The Scotts Turf Builder Rapid Grass Sun and Shade Mix is a combination of seed and fertilizer designed to promote quick and lush grass growth. One of its standout features is its ability to grow grass up to twice as fast as seed alone, provided it is applied correctly and maintained. This makes it particularly useful for large problem areas in your lawn or when establishing new grass, with a new lawn coverage of 2,395 sq. ft. and overseeding coverage of 8,000 sq. ft.

It is suitable for use in both spring and fall when temperatures are between 60°F and 80°F, ensuring flexibility in planting periods. The product is intended for outdoor use, specifically in areas with both sun and shade exposure, which adds to its versatility. However, it is important to note that the product's availability may be limited in certain states.

The 16-pound bag size is manageable for most users, and its application method is straightforward, primarily requiring watering post-application. This product would be most beneficial for homeowners looking to quickly and effectively address patchy lawns or establish new grass areas, especially those who appreciate the convenience of a combined seed and fertilizer mix.