Iron Strength


Concentrated 12-0-0 fertilizer for deeper greens and faster growth

Nitrogen keeps your green grass growing for 1-2 months, and concentrated, readily-available Iron acts quickly to give your lawn a rapid green-up with deeper lush colors.

From nature, to give your lawn the gift of green

Iron Strength is derived from natural urea and iron sulfate, so you can rest assured that you’re keeping your lawn all-natural and free of harmful chemicals.

Want to take the guesswork out of lawn care?

Bundle and save by subscribing to a custom Magic Lawn Plan. You’ll get a customized lawn care plan that is carefully designed for your specific soil profile, grass type, and climate.

If you’re not ready to subscribe, check out the Fall Lawn Fertilizer Kit that has Green Glow, Iron Strength, and Soil Balance - to give your lawn everything it needs to thrive.

Easily apply and get back to loving your lawn

This comes with Gnome's expertly designed hose-end sprayer for easy application. It’ll take you 10 minutes to feed and water, and it’s safe for kids and pets. Just spray, let it dry, and get right back to playtime.

Gnome’s Promise

Our super powerful, all-natural, highly concentrated formulas are more effective than any other liquid fertilizers on the retail market today.

Each nutrient pouch is one liter (1L) and feeds up to 5,000 square feet.