46-0-0 Urea delivers the highest nitrogen concentration available (46%) and is commonly used by experienced lawn enthusiasts for spoon-feeding programs, liquid applications, and rapid nitrogen correction.
This product is best suited for homeowners who understand nitrogen rates and application timing.
Who This Product Is For
Advanced DIY lawn enthusiasts
Liquid spray applications
Spoon-feeding nitrogen programs
Correcting visible nitrogen deficiency
Custom fertilizer blending
If you prefer a safer, controlled-release nitrogen option, consider our slow-release nitrogen blends such as our Almighty 20-0-10 instead.
Why Use 46-0-0?
46% nitrogen — highest concentration available
98.7% pure urea for maximum solubility
Quick plant uptake for rapid green response
Excellent for liquid mixing
Important Application Guidance
Maximum recommended rate: 1 lb of nitrogen per 1,000 sq ft per application.
1 lb N → 2.17 lbs of product per 1,000 sq ft
0.5 lb N → 1 lb of product per 1,000 sq ft
Water in immediately after application. Urea can volatilize if left on the surface and may cause burn if overapplied.
Not Recommended For
Beginner lawn programs
High-heat summer applications without irrigation
Homeowners unsure of nitrogen math
For a more forgiving, longer-lasting nitrogen source, explore our professional fertilizer blends.
Details
Key
Value
Active Ingredient
98.7% Urea
Lawn Types
Tall fescue,
Bermuda,
Zoysia,
St. augustine,
Kentucky bluegrass,
Ryegrass
Application Rate
1 lb. N per 1,000 sqft.- 2.17 lbs. of 46-0-0
0.5 lb. N per 1,000 sqft.- 1 lbs. of 46-0-0
Product can be applied as a granular or melted into water and sprayed as a liquid.
Delivery System
Granules
Brand
Lawn Synergy
For Use In
Vegetable Gardens,
Turf Grass,
Landscape Beds
Frequently Asked
What is 46-0-0 Urea Fertilizer used for?
46-0-0 Urea is used to provide a powerful, fast-acting source of nitrogen to lawns and plants. It is ideal for correcting nitrogen deficiencies and achieving a quick green-up.
How do I apply 46-0-0 Urea to my lawn?
You can apply it as a granular product using a broadcast spreader or dissolve it in water for spray applications. Always water it in immediately after spreading to maximize effectiveness and reduce nitrogen loss.
How much 46-0-0 Urea should I apply?
Apply no more than 1 pound of nitrogen per 1,000 square feet. This equals 2.17 pounds of 46-0-0 Urea. For a lighter feeding of 0.5 pounds of nitrogen, apply 1 pound of product per 1,000 square feet.
How quickly will I see results?
You can typically see results within a few days. Urea provides one of the fastest green-ups of any nitrogen source when watered in properly.
Can I use 46-0-0 Urea during hot weather?
It’s best to avoid applying high-nitrogen fertilizers during extreme heat. Apply during cooler parts of the day, water it in immediately, and avoid application during drought stress.
Is 46-0-0 safe for all grass types?
Yes, all lawn grasses benefit from nitrogen. However, always follow recommended application rates to avoid burning or overstimulating growth.
Can I use 46-0-0 Urea if I'm seeding?
Yes, you can use Urea when seeding, but apply lightly. It provides nitrogen for the new seedlings without interfering with germination, unlike pre-emergent fertilizers.
Does 46-0-0 Urea need to be watered in?
Yes. Watering in immediately is essential to prevent nitrogen loss through volatilization and to activate the fertilizer.
What makes this Urea fertilizer different?
Our product contains 98.7% pure prilled urea, ensuring excellent solubility, clean handling, and consistent particle size for pro-level results.