Choosing the right nitrogen-rich lawn fertilizer is essential for rapid greening, strong root development, and sustained growth. This guide highlights five high-nitrogen options available on Amazon, detailing how they work, application ease, and suitability for different grass types. Use the buying guide to compare quick-release versus slow-release effects and to match product formulas to your climate and lawn goals.
| Product | Nitrogen Content | Application Type | Coverage |
|---|---|---|---|
| Simple Lawn Solutions Maximum Green & Growth | 28-0-0 | Attached Sprayer | Up to 3,200 sq ft |
| Simple Lawn Solutions Lawn Energizer | 6-0-0 | Attached Sprayer | Up to 3,200 sq ft |
| Petra Petramax 28-0-0 | 28-0-0 | Spray On | Depends on dilution |
| Petra Neighbor’s Envy 7-in-1 | 19% Nitrogen | Liquid Concentrate | Up to 16,000 sq ft |
| Scotts Turf Builder Lawn Food | Not listed here | General Lawn Food | Up to 5,000 sq ft |
What to look for: the ratio of quick-release to slow-release nitrogen, compatibility with your grass type, sprayer convenience, and coverage area. Higher quick-release nitrogen offers faster green-up, while slower-release nitrogen sustains color and growth between applications. Always follow label directions for dilution, safety, and environmental considerations.
Maximum Green & Growth Fertilizer: Fast Green-Up
This Simple Lawn Solutions product is a liquid lawn food formulated at 28-0-0 with an attached sprayer, designed to apply an exact ratio for lawn applications. It covers up to 3,200 square feet per fill, delivering rapid nitrogen uptake to promote dense, vibrant green foliage. The formula emphasizes quick-release nitrogen for immediate color boost while maintaining a portion of slow-release nitrogen to support continued nourishment between applications. Ideal for established lawns needing prompt greening and growth stimulation across all grass types.
Lawn Energizer: Iron-Enhanced Growth
Another Simple Lawn Solutions option, Lawn Energizer combines iron with nitrogen in a ready-to-use hose-end sprayer. This 6-0-0 formulation focuses on delivering a deep, darker green by supplying essential nutrients beyond nitrogen alone. The attached sprayer makes for quick, uniform coverage up to about 3,200 square feet. It’s suitable for all grass types and can help improve color intensity while supporting overall turf health through balanced nutrient delivery.
Petra Petramax 28-0-0 Liquid Fertilizer
Petra’s Petramax 28-0-0 liquid fertilizer offers a high-nitrogen formula designed for rapid green-up. This 28-0-0 product emphasizes quick nutrient absorption with a 70% quick-release and 30% slow-release nitrogen mix, helping to establish fast color while sustaining growth between applications. It’s described as compatible with all grass types, making it versatile for both new lawns and established turf. The simple spray-on application makes it convenient for regular maintenance programs across varied climates.
Petra Neighbor’s Envy: 7-in-1 Nutrient Mix
Neighbor’s Envy by Petra is a comprehensive 7-in-1 liquid lawn fertilizer concentrate. It provides a robust nitrogen base (19%) along with iron (2.5%), humic acid, potassium, sea kelp, and sulfur to improve color, root strength, drought resistance, and soil health. Coverage reaches up to 16,000 square feet per gallon, depending on dilution. This product is suitable for large lawns seeking a thorough nutrition plan in one concentrated formula, with a focus on deeper green color and stronger turf resilience.
Scotts Turf Builder Lawn Food
Scotts Turf Builder Lawn Food is a general lawn fertilizer designed to feed all grass types. It helps build strong roots and improves the lawn’s ability to absorb water and nutrients. This option emphasizes overall lawn health and resilience rather than a single focus on nitrogen content. It is suitable for lawns that have experienced heat, drought, or heavy activity and can be applied to both wet and dry turf according to label directions. The flexible usage makes it a common choice for mixed-grass landscapes.
Petra Liquid Nitrogen Fertilizer: 28-0-0
Petra’s 28-0-0 liquid nitrogen fertilizer in this listing provides a high-nitrogen formula aimed at rapid green-up. The product utilizes a 70/30 split between quick-release and slow-release nitrogen, enabling swift color enhancement with ongoing nourishment. It is advertised as suitable for all grass types, offering flexibility for different lawn portfolios—from cool-season to warm-season varieties. The spray-on format supports uniform distribution across the lawn canopy, contributing to even color and growth performance.
Buying Guide: Key Purchase Considerations
- Nitrogen content and release profile: Decide between high quick-release nitrogen for fast greening and slow-release nitrogen for longer-lasting color. A blend often provides balanced results.
- Sprayer convenience: Attachments and hose-end sprayers simplify even coverage, especially for large lawns. Check whether the sprayer is included and compatible with your watering system.
- Coverage area: Compare square footage covered per bottle or per spray fill. Larger lawns benefit from concentrates with broad coverage per application.
- Grass type compatibility: Most products advertise universal suitability, but some formulas better suit warm-season grasses (Bermuda, zoysia) or cool-season grasses (fescue, bluegrass).
- Additional nutrients: Iron, humic acid, potassium, and sea kelp can enhance deep green color, drought tolerance, and root development. Consider multi-nutrient formulas when color or resilience is a priority.
- Environmental impact: Follow label instructions to avoid fertilizer runoff. Avoid applications near storm events or when rain is imminent in order to protect waterways and local ecosystems.
- Cost and maintenance schedule: High-nitrogen products can require more frequent applications during peak growing periods. Plan a lawn care calendar aligned with local climate and growing season.
- Brand reliability and safety: Choose reputable brands with clear labeling, safety data, and appropriate dilution guidance to ensure safe handling and optimal results.