

12-12-12 Starter Fertilizer 3% Iron - Bio-Nite - Granular Lawn Fertilizer | Yard Mastery
Key item features
Specs
- Npk ratio12-12-12
- Fertilizer typeSynthetic
- FormGranules
- Rec. useLawn
- BrandYard Mastery
- Rec locationOutdoor
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About this item
Product details
12-12-12 Starter Fertilizer is your go-to for seed/sod or general feeding, formulated specifically for DIYers. Starter Fertilizer Fixes Everything!
- Covers 6,000 sq ft (18 lb) - OR - 15,000 sq ft (45 lb)
- Analysis 12-12-12:: N-P-K
- Contains 3% Iron + Bio-Nite™
- Great for seeding/sod installation
- Available in multiple sizes*
Product Description:
The Yard Mastery Starter Fertilizer contains 12% nitrogen, utilizing premium nitrogen source ammonium sulfate, which brings a really nice steely blue-green color to turf and interacts well with the other elements in the overall blend.
This blend also contains 12% phosphorus, which is plenty to push roots in an existing lawn or stimulate rooting in your seed, sod, plug, or spring project. Rounding out the macros is 12% potassium. Here, we have opted for the premium formulation, sulfate of potash, known to have a lower salt index. As with all Yard Mastery blends, we have also included a nice amount of iron at 3% and a smattering of other micronutrients, including boron, copper, manganese, molybdenum, and zinc.
All-Natural Bio-Nite™ in Every Bag! Bio-Nite is a bio-solid filler we add to every bag of Starter Fertilizer. Bio-Nite is the same thing as Milorganite, but instead of being sourced in Milwaukee, it comes from South Florida. We can tell you that it “smells like a whole lot of success!” The good news for you is that the smell tells you that the included Bio-Nite is feeding microbes in the soil every time you apply and they love it!
Check out this video for more information:
*Size options and coverage:
(1) 18 lb bag = covers up to 6,000 sq ft
(1) 45 lb bag = covers up to 15,000 sq ft
Application Information:
You can apply Starter Fertilizer when you seed or sod, but it’s also great for anyone just looking for “all the things”. If you have a soil test that shows that you are low on the 3 big macros (Nitrogen, Phosphorus, and Potassium), this is an excellent choice.
Starter Fertilizer can be applied at any time during the growing season for the following grasses:
- Cool-Season Lawns - Kentucky Bluegrass, Turf Type Tall Fescue (all fescues), Ryegrass.
- Warm-Season Lawns - Bermuda, St Augustine, Zoysia, Centipede, Bahia.
| Coverage | An 18 lb bag covers 6,000 sq ft A 45 lb bag covers 15,000 sq ft |
| Application Details | Apply at 3 lbs per 1,000 square feet of lawn area Apply every 30-45 days |
| Water-In Instructions | Apply to a dry lawn, and water into turf within the first 48 hours with 1/4" of rainfall or irrigation Sweep excess off sidewalks and driveways to avoid staining |
Product Resources:
- Label/Specs/SDS: 12-12-12 Starter Fertilizer Info
- Spreader Settings: Granular Fertilizer Spreader Settings
- Package Includes: (1) 18 lb bag - OR - (1) 45 lb bag based on selection
- Storage: Store in dry conditions away from moisture. Can be stored for up to 2 years.
| Shipping costs | Included for most states within the U.S. NO P.O. Boxes $9.95 for CA, ID, MT, NV, OR, UT, and WA |
| State Restrictions
| Alaska (AK), Hawaii (HI), and Michigan (MI) |
| Stickers
| Yes, free stickers with every order |
| Typical Delivery Time
|
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