10 Best Liquid Iron For Lawns 2025 in the United States

Scotts Green Max Lawn Food combines lawn fertilizer with an iron supplement, offering 5% iron concentration to help your grass green up visibly within about three days. This product is designed to work on all grass types and can be applied throughout spring, summer, or fall, making it flexible for most lawn care schedules. One bag covers up to 10,000 square feet, which suits medium to large lawns well. The granulated formula is easy to spread using standard lawn spreaders.

A notable advantage is that it’s guaranteed not to stain concrete or driveways when used as directed, which is great if you have paved areas around your lawn. It also integrates with other lawn fertilizers without issues, so you can combine treatments if needed. Some users might find the weight and size of the bag a bit bulky to handle. The product’s popularity and strong customer ratings suggest it’s effective and reliable for improving lawn greenness and overall health.

If you want a simple, dual-purpose fertilizer that boosts iron levels without staining your yard, this is a solid choice.

Scotts Liquid Green Max Lawn Food is a versatile 2-in-1 fertilizer and iron supplement designed to help you achieve a lush, green lawn quickly. One of its key strengths is its dual-action formula that not only feeds the grass but also supplements it with iron, enhancing the green color within just three days. This makes it ideal for those who need to spruce up their lawn in a short amount of time, perfect for impromptu gatherings or seasonal events.

The product is suitable for any grass type, adding to its versatility, and can be used from early spring through late fall for the best results. The application method is quite user-friendly, involving just a simple hose connection and spray, covering up to 2,000 sq. ft. This eliminates the need for granules or spreaders, which can be cumbersome for some users.

Despite minor drawbacks, Scotts Liquid Green Max Lawn Food offers a convenient and effective solution for maintaining a vibrant lawn.

The Southern Ag Chelated Liquid Iron, 1 Gallon, is a versatile solution for correcting iron deficiencies in various plants, including lawns, flowers, shrubs, trees, and vegetables. With an iron concentration of 5%, it effectively promotes a deep, rich green color in lawns, making it a solid choice for lawn care enthusiasts aiming for vibrant grass. The liquid form and mixing ratio of 1 tablespoon per gallon make it easy to apply with a standard garden sprayer, offering convenience for users.

This product is also compatible with other fertilizers, allowing it to be integrated into existing lawn care routines without issue. Additionally, its formulation appears to be safe for pets and children, provided that standard safety precautions are followed during application and drying times. However, users should still exercise caution to ensure a safe environment for their family and pets.

The 1-gallon jug provides a substantial amount of liquid iron, covering a wide area and making it suitable for both small and large lawns or gardens. On the downside, the 8.5-pound weight and dimensions of 8 x 6 x 4 inches might be a bit cumbersome for some users to handle and store. The Southern Ag Chelated Liquid Iron is a well-regarded, effective, and user-friendly product for addressing iron deficiency in lawns and other plants, with good compatibility and safety features.