For corn, a strong nitrogen boost is essential to promote tall stalks, sturdy leaf growth, and robust ear development. This guide highlights the best 46-0-0 nitrogen fertilizers available on Amazon, focusing on products that deliver quick green-up and reliable performance. Each option below is evaluated for purity, solubility, and practical use in both home gardens and larger plots. Whether you’re feeding established corn rows or starting a new patch, these 46-0-0 formulas are designed to drive vigorous growth and healthy color.
| Product | Brand | Format | |
|---|---|---|---|
| Urea Fertilizer 46-0-0 | Cz Garden Supply | 5 lb | High-purity, water-soluble nitrogen; versatile for lawn, garden, and tie-dye uses |
| 5 lb. Urea Fertilizer 46-0-0 | The Grow Co | 5 lb | Promotes rapid, lush growth and greener color in varied plants |
| Supply Solutions Urea 46-0-0 (40 lb) | Supply Solutions | 40 lb | Bulk option with potent nitrogen content for larger gardens |
| UREA Fertilizer 46-0-0 | Easy Peasy | 5 lb | Fast-acting nitrogen, versatile application |
| Supply Solutions Urea 46-0-0 (5 lb) | Supply Solutions | 5 lb | Compact option with strong nitrogen content for small projects |
Note: The following sections profile five 46-0-0 nitrogen fertilizers that align with corn cultivation needs—strong nitrogen supply, solubility for even distribution, and clear labeling for safe, effective use.
Cz Garden Urea Fertilizer 46-0-0

Pure nitrogen source designed to support the healthy development of indoor and outdoor plants, including lawn and garden vegetables. The fertilizer is water-soluble and promotes rapid green leafy growth, making it suitable for turf and vegetable beds alike. It is marketed for additional uses such as tie-dye applications, reflecting its broad solubility and purity.
The Grow Co 5 lb. Urea 46-0-0

This high-nitrogen fertilizer provides a 46-0-0 ratio, making it ideal for grass, vegetables, fruits, and flowering plants. It’s noted for promoting rapid, lush growth and a deeper green color, supporting healthier stems and foliage through the plant’s growth cycle.
Supply Solutions Urea 46-0-0 (40 Lbs)

This bulk option features a potent 46% urea nitrogen content designed to boost plant health, vigor, and green color across lawns, vegetables, and fruit-bearing plants. It’s positioned for productive harvests, aligning well with corn growth needs when applied according to recommended schedules.
Easy Peasy Urea Fertilizer 46-0-0

Known for a high nitrogen concentration, this fertilizer is suitable for a wide range of plants, including trees, shrubs, vegetables, flowering plants, and turf. Its fast-acting formula supports quick nutrient uptake and rapid response in plant growth and color development.
Supply Solutions Urea 46-0-0 (5 Lb)

Compact 5-pound bag offering strong nitrogen content for small gardens or targeted feeding. It supports abundant foliage, better color, and resilient growth while allowing precise application in plots where space is limited.
Supply Solutions Urea 46-0-0 (10 Lb)

Bulk 10-pound option with the same 46% nitrogen content, designed for mid-to-large scale feeding. Its versatile use supports consistent growth and lush green color across a substantial garden or crop area, including corn.
SeedRanch Urea 46-0-0 Granular – 50 Lbs.

Granular form offering a large quantity suitable for extensive planting projects. Provides a nitrogen-rich source to support crop yields, with emphasis on reliable, high-nitrogen nutrition for crops such as corn and other lawn-and-garden varieties.
Buying Guide: Key Purchase Considerations
- Nitrogen content and form: All products here are labeled 46-0-0, meaning 46% nitrogen. Urea nitrogen is fast-acting and highly soluble, which helps with quick green-up but may require stewardship to avoid rapid leaching in heavy rainfall or excessive irrigation.
- Application rate and method: For corn, follow label recommendations and align with soil tests. Some products are granular, others spray-grade; select the format that matches your equipment, garden size, and preferred application method.
- Purity and impurities: Look for products with minimal fillers and consistent granule size. Purity affects solubility and distribution across soil, directly impacting growth results.
- Packaging and quantity: Choose a size that fits your garden scale and storage space. Bulk options are cost-effective for large plots, while smaller bags suit hobby gardeners.
- Safety and handling: Use gloves and eye protection as recommended. Store in a cool, dry place and keep away from children and pets.
- Soil health context: Complement nitrogen with balanced nutrients (phosphorus, potassium) and organic matter. Consider a soil test to tailor nutrient applications to corn’s growth stages (vegetative growth, tasseling, and kernel filling).
- Environmental considerations: Liquid and surface applications should minimize runoff into waterways. Proper timing relative to rainfall and irrigation helps maximize uptake and reduce waste.
- Alternative formats for different needs: If quick flush of green is required, spray-grade formulas provide rapid availability. For larger acreage, bulk granular options reduce cost per acre while maintaining effectiveness.
When selecting a 46-0-0 fertilizer for corn, prioritize products with reliable nitrogen delivery, consistent customer labeling, and compatibility with your gardening setup. The options above represent a cross-section of readily available, nitrogen-forward formulas that support vigorous corn growth while offering flexibility in application and scale.