10 Best Liquid Lawn Fertilizers 2025 in the United States

Miracle-Gro Indoor Plant Food is a convenient liquid fertilizer designed specifically for indoor plants. Each pack contains two 8 oz. bottles, making it easy to handle and store. A key benefit is its instant nutrient release, which helps plants thrive quickly. It's versatile and can be used on a wide range of indoor plants, including houseplants, vegetables, and flowers. The fertilizer can be directly applied to the soil or mixed with water, offering flexibility in application methods.

The product is tailored for indoor use only, so it may not be suitable for larger outdoor lawn areas. Additionally, the coverage area is limited to pot size, which might not be ideal for users looking to fertilize extensive garden spaces. Miracle-Gro Indoor Plant Food is best for those with indoor plants seeking a simple and effective solution to boost plant health.

Scotts Liquid Green Max Lawn Food is a convenient liquid fertilizer designed to cover up to 2,000 square feet. Its 2-in-1 formula not only feeds your lawn but also adds iron, providing a quick green-up in just three days, which is great for last-minute events. This product is suitable for all grass types and is easy to apply—just connect it to your hose and spray, eliminating the need for granules or spreaders.

This ease of application makes it user-friendly, even for those who are not familiar with lawn care products. The fertilizer’s dual-action approach helps improve the green color of your lawn efficiently. However, being a liquid, it requires more frequent applications compared to some granular fertilizers, and its coverage area might be limiting for larger lawns. Also, frequent users might find the 32 oz. size insufficient over an extended period.

Nevertheless, its strong customer satisfaction suggests that it performs well for most users. This product is particularly beneficial for residential lawns where maintaining a lush, green appearance is the primary goal.

The Scotts Turf Builder Starter Food for New Grass Ready-Spray is a liquid lawn fertilizer specifically designed for new grass. It comes in a convenient ready-to-spray bottle, making it easy to apply while watering your lawn. With its 32 oz. bottle covering 600 sq. ft., this product is ideal for small to medium-sized lawns. It’s suitable for all grass types, which adds to its versatility.

The fertilizer is formulated to help new grass grow quicker and thicker, offering an effective start whether you’re seeding a new lawn, reseeding, or installing sod. The N-P-K ratio is balanced to support new grass growth. One of the standout features is its ease of use – simply attach it to a garden hose and spray, which saves time and effort compared to granular fertilizers that require spreading and watering separately.

The coverage area might be a limitation for larger lawns, requiring multiple bottles. Additionally, while it’s excellent for new grass, it might not be as beneficial for maintaining an established lawn. For those with smaller lawns looking to establish new grass quickly, this product is a solid choice.