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.

The Simple Lawn Solutions Commercial Grade Lawn Energizer combines nitrogen, iron, and micronutrients in a liquid formula designed to improve the color and health of various grass types. It contains 5% iron, which helps deepen the green color by supporting chlorophyll production, and 6% nitrogen to promote lush growth. This concentration is solid for boosting lawn color without being overly strong or risking burn if applied properly.

The product comes in a large 2.5-gallon container, covering up to 32,000 square feet, which is great for large yards or multiple applications, making it efficient and cost-effective. You can apply it easily using a sprayer, either the refill bottle provided or compatible hose-end sprayers, offering flexibility in how you treat your lawn. It works alongside your existing fertilizer program and is safe to use during most seasons, serving as a good supplement rather than a full replacement.

The formula suits all common grass types, including warm and cool-season varieties, which adds to its versatility. Users should exercise caution and follow label instructions carefully to avoid contact during and shortly after application, particularly around pets and children. This liquid fertilizer is a practical choice for homeowners wanting a straightforward, nutrient-rich liquid iron treatment that supports vibrant, healthy grass across a large area.

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.