The lawn care market offers a range of nitrogen-based products designed to quicken green growth, deepen color, and strengthen turf. This guide highlights five nitrogen-focused options that are widely used in American yards, explaining how each works, application notes, and what to consider when choosing the right formula for your grass type and climate.
Summary table of selected products:
- Maximum Green & Growth Fertilizer High Nitrogen 28-0-0 — Simple Lawn Solutions — Liquid with attached sprayer; covers up to 3,200 sq ft
- Commercial Grade Lawn Fertilizer with Iron – Lawn Energizer — Simple Lawn Solutions — 6% nitrogen; includes iron; covers up to 3,200 sq ft
- Scotts Turf Builder WinterGuard Fall Lawn Fertilizer — Scotts — All grass types; supports root strength and recovery
- Sunday Lawn Kickstart + Green Machine Liquid Fertilizer — SUNDAY — 22-0-3 profile; sprayer included; up to 5,000 sq ft
- Petramax Liquid Nitrogen Fertilizer 28-0-0 — Petra / PetraMax — 70% quick-release + 30% slow-release; works on all grass types
Maximum Green & Growth Fertilizer High Nitrogen 28-0-0
This liquid lawn food is designed for straightforward, even application with an attached sprayer, making it easy to apply the preferred nitrogen ratio directly to the turf. It covers up to 3,200 square feet when the sprayer is used, delivering 28% nitrogen for rapid greening and growth. The formula splits nitrogen into 70% quick-release and 30% slow-release, balancing immediate color with ongoing feed between applications.
Commercial Grade Lawn Fertilizer with Iron – Lawn Energizer
This nitrogen-rich booster combines nitrogen with iron to intensify deep green color. It comes with an attached sprayer for convenient, uniform dispersion across up to 3,200 square feet. The formulation shows 6% nitrogen, emphasizing a strong color response while supporting overall turf health, especially in cooler seasons when iron helps enhance green tone.
Scotts Turf Builder WinterGuard Fall Lawn Fertilizer
Scotts WinterGuard is designed for all grass types and fall application, focusing on building deep roots and resilience for recovery after heat or drought. While not a pure nitrogen bomb, it provides essential nutrients that support greener tones and robust recovery going into spring, aligning with a seasonally adjusted fertilizer strategy.
Sunday Lawn Kickstart + Green Machine Liquid Fertilizer
This spray-on fertilizer set emphasizes nitrogen-driven growth while including iron and sea kelp for resilience and hydration management. The 22-0-3 profile indicates a strong nitrogen emphasis with growth and some essential micronutrients. A sprayer is included, enabling a quick, 15-minute application window and broad coverage up to 5,000 square feet.
Petramax Liquid Nitrogen Fertilizer 28-0-0
Petra’s liquid nitrogen formula provides 70% quick-release nitrogen for rapid green-up and 30% slow-release nitrogen for ongoing growth between applications. Suitable for all grass types, this product aims to deliver a robust, even green color while maintaining turf health through timed nutrient release. The 32-ounce bottle is designed for spray-on lawn care with consistent coverage when used as directed.
Buying Guide: How to Choose the Right Nitrogen Fertilizer For Your Lawn
- <strongNitrogen Content and Release: Quick-release nitrogen delivers rapid greening, but slow-release nitrogen sustains color and growth between applications. A balanced mix (for example, around 70% quick, 30% slow) can reduce the need for frequent applications while still achieving fast results.
- <strongFormulation Type: Liquid fertilizers with attached sprayers provide convenience and precise coverage for medium to large lawns. Dry granular options can be slower to act but may last longer between feedings and have easier storage.
- <strongGrass Type and Climate: Warm-season grasses respond well to strong nitrogen boosts during active growth periods, while cool-season grasses benefit from balanced feeding in fall and spring. Iron-rich formulas can enhance color, especially in cooler, foggy, or water-stressed conditions.
- <strongApplication Window: Plan around lawn growth cycles and regional weather. Fall applications help root development and spring green-up, while spring and summer feeds support rapid growth in warmer climates.
- <strongCoverage and Sprayer: Check coverage per bottle and whether a sprayer is included. For larger lawns, look for products covering 3,000–5,000 sq ft per bottle to minimize reapplication frequency.
- <strongSoil Health and Additional Nutrients: Some formulas include iron, humic acids, sea kelp, or other supplements that improve soil health and drought tolerance. Consider these additions if soil quality is a concern or if your lawn experiences stress.
- <strongSafety and Label Adherence: Follow label directions for dilution, application timing, and water management. Misapplication can lead to fertilizer burn or nutrient runoff, especially near driveways or streams.
Across these products, a common aim is to accelerate green color, promote robust root growth, and extend the period of healthy growth between feedings. For best results, align product choice with your grass type, local climate, and the time of year. Consider combining a fast-acting nitrogen source with a slower-release option to maintain color and vitality through seasonal shifts.