Choosing the right liquid nitrogen fertilizer product can dramatically improve lawn color, density, and growth. This guide highlights five highly effective options, each compatible with common spray systems and designed for quick green-up and steady feed. Read on for concise product overviews, practical usage notes, and a buyer’s guide to help you pick the best liquid nitrogen solution for your turf and garden needs.
| Product | Brand | Type | Notes |
|---|---|---|---|
| Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK — 1 Gallon | Petra | Lawn Fertilizer | 70% quick-release, 30% slow-release nitrogen; broad grass compatibility |
| Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK — 32 Oz | Petra | Lawn Fertilizer | Compact bottle; same 2-in-1 release profile for quick green-up |
| Medina Garrett Juice Plus | Medina | Plant Fertilizer | Nitrogen-rich liquid for indoor/outdoor plants; soil health boost |
| FOOP Garden Pump Bundle | FOOP | Organic Liquid Plant Food | Fish-based, mint scent; broad plant spectrum; kid/pet friendly |
| Commercial Grade Lawn Energizer | Simple Lawn Solutions | Liquid Fertilizer Booster | Nitrogen, iron, micronutrients; large coverage up to 12,000 sq ft |
These products are designed to support rapid greening and strong growth across various grass types and garden plants. The following sections detail each option to help you compare formulation, release profiles, and suitability for your lawn or indoor garden setup.
Petramax 28-0-0 Liquid Nitrogen Fertilizer — 1 Gallon

Petra’s 28-0-0 liquid fertilizer provides an ultra-high nitrogen formula aimed at turning nitrogen-deficient turf into a lush green lawn. The product uses a 70% quick-release and 30% slow-release nitrogen profile, ensuring rapid greening while sustaining growth between applications. It’s designed to work with all grass types, including warm- and cool-season varieties, and is suitable for both new and established lawns. Application is straightforward with spray equipment, delivering results in a single treatment that supports dense, vibrant turf.
Petramax 28-0-0 Liquid Nitrogen Fertilizer — 32 Oz

The 32 oz variant matches the gallon-formulation approach with the same 28-0-0 nitrogen emphasis. The two-in-one release approach supports rapid green-up while maintaining ongoing growth, helping you balance immediate color with sustained turf health. Suitable for various lawn sizes when used with compatible sprayers and irrigation systems, this option is ideal for homeowners looking for a compact, effective solution.
Medina Garrett Juice Plus

Medina Garrett Juice Plus is a nitrogen-rich liquid plant food designed to improve soil health and promote faster growth for both houseplants and garden flora. It acts as a soil conditioner as well as a nutrition source, supporting robust development in potted plants, patio containers, and garden beds. This product is particularly suitable for environments where soil conditioning and nutrient availability are essential for plant vitality, making it a versatile option for mixed indoor/outdoor setups.
FOOP Garden Pump Bundle

FOOP’s Garden Pump Bundle pairs an organic liquid plant food made from fish manure with a convenient pump for easy application. The formula includes essential nutrients such as nitrogen, phosphorus, potassium, calcium, magnesium, and silica, along with trace organic ingredients like kelp and mycorrhizae. The product is designed for a broad range of garden uses—vegetables, herbs, flowers, trees, shrubs, and houseplants—making it a flexible choice for gardeners prioritizing organic inputs and soil ecosystem support.
Commercial Grade Lawn Energizer

Simple Lawn Solutions’ Lawn Energizer is a concentrated liquid fertilizer booster formulated with nitrogen, iron, and micronutrients to deepen green color and promote a dense, healthy lawn. Suitable for any grass type, it covers up to an expansive area when used with suitable sprayers. The 6-0-0 formulation emphasizes nitrogen as a driver of chlorophyll, supporting rapid greening and robust growth while the iron content enhances color intensity for a premium lawn appearance.
Buying Guide
Formulation And Release Profile
Look for products with a balanced nitrogen mix, including both quick-release and slow-release nitrogen. Quick-release nitrogen delivers fast greening, while slow-release nitrogen sustains growth between applications and reduces risk of burn with proper dosing.
Grass And Plant Compatibility
Choose a product that matches your lawn type (warm-season vs. cool-season grasses) and your indoor/outdoor plant mix. Some formulas are optimized for lawns, others for container plants or mixed gardens. If you have a diverse landscape, a versatile, plant-friendly option may be best.
Application Equipment
Verify compatibility with your existing sprayers, pump systems, and irrigation setup. Some products come in gallon and smaller bottles with optional pumps, which can streamline frequent applications in larger yards or containers.
Soil And Environmental Considerations
Review salt content, soil compatibility, and any safety notes. Products with lower salt indices are generally safer for pets and kids when used as directed. Organic options may appeal to gardeners prioritizing eco-friendly inputs.
Coverage And Frequency
Assess the expected coverage per application and recommended application intervals. For larger lawns, consider items with higher coverage or formulations designed for on-demand green-up and ongoing maintenance.
Safety And Handling
Follow label directions for dilution, spray timing, and protective measures. Liquid nitrogen fertilizers should be handled with standard garden-safety practices to prevent contact burns or unintended over-application.