30-0-0 Fertilizer
Nitrogen only30-0-0 is 30% nitrogen, 0% phosphate and 0% potash by weight. To apply 1 lb of nitrogen per 1,000 sq ft, spread 3.33 lbs of product per 1,000 sq ft.
What 30-0-0 Means
Nitrogen (N)
30%
15 lb per bag
Green color and growth
Phosphate (P₂O₅)
0%
0 lb per bag
Root growth, new seedlings
Potash (K₂O)
0%
0 lb per bag
Stress, drought and cold tolerance
Pounds shown are per 50-lb bag. The N:P:K ratio simplifies to 1:0:0. The remainder of the bag is carrier, filler, and secondary nutrients.
How Much 30-0-0 to Apply
Lawn feeding is measured in pounds of nutrient per 1,000 sq ft. Here's how much product hits each common target.
| Target | Product / 1,000 sq ft | Per acre | Delivers (N-P-K lb) |
|---|---|---|---|
| 0.25 lb N | 0.83 lb | 36.3 lb | 0.25-0-0 |
| 0.5 lb N | 1.67 lb | 72.6 lb | 0.5-0-0 |
| 0.75 lb N | 2.5 lb | 109 lb | 0.75-0-0 |
| 1 lb N | 3.33 lb | 145 lb | 1-0-0 |
Liquids are measured by volume. Divide the pounds above by the weight per gallon on the label, then multiply by 128 for fluid ounces (the calculator below does this).
What It's For
Usually a liquid nitrogen, often with part of the nitrogen in a slow-release form. Sprayed rather than spread, which makes light, even spoon-feeds easy.
When to Use It
Spring and fall spoon-feeds, commonly 0.25–0.5 lb N per 1,000 sq ft every few weeks. Pairs well with other liquids in one tank.
Before You Spread It
- Liquid labels give a rate in fluid ounces and a weight per gallon. Use the weight per gallon to convert, since water's 8.34 lb/gal understates most liquid fertilizers.
- Spray in the cooler part of the day, and follow the label on watering in versus leaving it on the leaf.
30-0-0 Products in Our Catalog
30-0-0 Calculator
Enter your lawn size to get the total amount, or change the analysis to check a different bag.
Spread 3.33 lb per 1,000 sq ft (about 40.63 fl oz), 16.67 lb for 5,000 sq ft.
Delivers 1 lb N, 0 lb P₂O₅ and 0 lb K₂O per 1,000 sq ft. Never exceed the label rate.
Common Questions
How much 30-0-0 per 1,000 sq ft?
To deliver 1 lb of nitrogen per 1,000 sq ft, apply 3.33 lbs of 30-0-0 per 1,000 sq ft, or about 145 lbs per acre. Many applications use half that or less, and the product label rate always comes first.
What is 30-0-0 fertilizer used for?
Usually a liquid nitrogen, often with part of the nitrogen in a slow-release form. Sprayed rather than spread, which makes light, even spoon-feeds easy.
When should I apply 30-0-0?
Spring and fall spoon-feeds, commonly 0.25–0.5 lb N per 1,000 sq ft every few weeks. Pairs well with other liquids in one tank.
What do the numbers 30-0-0 mean?
They're the percentages by weight of nitrogen (N), phosphate (P₂O₅) and potash (K₂O). A 50-lb bag of 30-0-0 contains 15 lbs of nitrogen, 0 lbs of phosphate and 0 lbs of potash; the rest is carrier and other ingredients.
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