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The Freedom Pack| Yard Mastery
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The Freedom Pack| Yard Mastery
The Freedom Pack(s): Celebrate your freedom to fling fert all while making your wallet sing with savings in these limited edition packs. **SAVE 20% off individual retail prices as we save on shipping and fulfillment with these bundles, and we pass that savings directly to you!** The...
From $79.97
$99.97
From $79.97
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Bio-Stimulant (MAX Pack) | Yard Mastery
Bio-Stimulant (MAX Pack) | Yard Mastery
Bio-Stimulant MAX Pack: With the help of expertise from Greene County Fertilizer Co, we’ve improved all of our bio-stimulants this season and combined them into a brand new Bio-Stimulant Pack called the “Max Pack.” If you’re following the Yard Mastery app program (DLUX or...
$154.97
$194.97
$154.97
Seeding Support Pack (Granular Fertilizer) | Yard Mastery
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Seeding Support Pack (Granular Fertilizer) | Yard Mastery
Seeding Support Pack (Granular Fertilizer): Whether you are looking to aerate and overseed an existing lawn to thicken it up or completely start from scratch with seed on bare ground, the Seeding Support Pack has everything you need to give that seed the push and...
$199.99
$238.99
$199.99
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Fertilizers

DIY Lawn Fertilizers including Granular Fertilizers, Liquid Fertilizers, Yard Mastery Fertilizers, Biostimulant Fertilizers, Humic Acid For Lawns, Iron For Lawns, Liquid Aeration, Liquid D-Thatch, pH Adjustment and Jonathan Green Fertilizers.
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  • The Freedom Pack| Yard Mastery
    Choose Options
    The Freedom Pack| Yard Mastery
    The Freedom Pack(s): Celebrate your freedom to fling fert all while making your wallet sing with savings in these limited edition packs. **SAVE 20% off individual retail prices as we save on shipping and fulfillment with these bundles, and we pass that savings directly to you!** The...
    From $79.97
    $99.97
    From $79.97
    Choose Options
  • 12-12-12 Starter Fertilizer 3% Iron - Bio-Nite - Granular Lawn Fertilizer | Yard Mastery
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    12-12-12 Starter Fertilizer 3% Iron - Bio-Nite - Granular Lawn Fertilizer | Yard Mastery
    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...
    From $39.99
    $44.99
    From $39.99
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  • 0-0-1 RGS Root Growth Bio-Stimulant, Sea Kelp | N-Ext
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    0-0-1 RGS Root Growth Bio-Stimulant, Sea Kelp | N-Ext
    N-Ext RGS™ - RGS Stands for Root Growth Stimulant, and that’s exactly what it does. This bio-stimulant is packed with hormones from sea kelp that stimulate roots and stolons/rhizomes coupled with chelating humic acid. One gallon covers up to 42,600 sq ft Root Growth...
    From $21.99
    From $21.99
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  • 0-0-5 Air-8 Liquid Aeration Bio-Stimulant, Humic Acid | N-Ext
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    0-0-5 Air-8 Liquid Aeration Bio-Stimulant, Humic Acid | N-Ext
    N-Ext Air-8™ Liquid Aeration is designed to create space in the soil, increase water penetration, and encourage deeper rooting to drive more oxygen into the topsoil profile. One gallon covers up to 21,300 sq ft Analysis is 0-0-5::N-P-K Contains 8% Humic Acid Great for...
    From $21.99
    From $21.99
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  • 0-0-1 Humic12 Bio-Stimulant, Humic Acid 12 Percent | N-Ext
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    0-0-1 Humic12 Bio-Stimulant, Humic Acid 12 Percent | N-Ext
    N-Ext Humic12™ is one of the primary bio-stimulants used to improve overall soil health. The 12% concentration in this product is much higher than most currently available to DIYers. One gallon covers up to 21,300 sq ft Analysis is 0-0-1::N-P-K  Contains 12% humic acid bio-stimulant...
    From $21.99
    From $21.99
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  • 0-0-2 MicroGreene | N-Ext
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    0-0-2 MicroGreene | N-Ext
    N-Ext 0-0-2 MicroGreene™ is a micronutrient fertilizer with humic and sea kelp. If you have a soil test showing micronutrient deficiencies, then this is your go-to product to get your levels moving in the right direction. One gallon covers up to 21,300 sq ft  Analysis...
    From $21.99
    From $21.99
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  • 18-0-1 GreenePunch Complete Liquid Fertilizer | N-Ext
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    18-0-1 GreenePunch Complete Liquid Fertilizer | N-Ext
    N-Ext 18-0-1 GreenePunch™ is a liquid fertilizer that is the foundation of our All-Liquid lawn plans. If you prefer to apply liquid lawn ferts vs. granular, the GreenePunch is an excellent choice. One gallon covers up to 8,000 sq ft Analysis is 18-0-1::N-P-K This...
    From $21.99
    From $21.99
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  • 16-21-2 GreenePOP Starter Fertilizer | N-Ext
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    16-21-2 GreenePOP Starter Fertilizer | N-Ext
      N-Ext 16-21-2 GreenePOP™ is a liquid starter fertilizer. If you are seeding or sodding your lawn, this is your foundation product. It's also great for existing lawns if you need a good dose of phosphorus to correct a deficiency. Also includes liquid aeration...
    From $21.99
    From $21.99
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  • 0-0-5 Sea-K Stress Reducer, Bloom and Root | N-Ext
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    0-0-5 Sea-K Stress Reducer, Bloom and Root | N-Ext
       N-Ext Sea-K™ is known in the professional applicator community as "microbe food," this special bio-stimulant is your secret weapon in jump-starting even the most tired soils or stressed lawns.  1 Quart covers up to 64,000 sq ft Analysis is 0-0-5::N-P-K Benefits include - deeper...
    $49.99
    $49.99
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  • Spoon Juice 5-0-1 Liquid Fertilizer and Bio Stimulant with Humic Acid, Kelp | N-Ext
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    Spoon Juice 5-0-1 Liquid Fertilizer and Bio Stimulant with Humic Acid, Kelp | N-Ext
    5-0-1 Spoon Juice™ is the best-kept secret in the Yard Mastery line until now! The ultimate multi-purpose (all-purpose) fertilizer and bio-stimulant combo for lawns, trees, shrubs, flowers, gardens, and even potted plants. (we mostly use it for lawns around here!) It’s a staple in...
    From $26.99
    From $26.99
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  • Bio-Stimulant Pack | 4 Gallons | N-Ext
    Bio-Stimulant Pack | 4 Gallons | N-Ext
    Bio-Stimulant Pack: This pack contains four products that supercharge your lawn growth, improve soil chemistry, and stimulate roots, rhizomes, and/or stolons in your grass.  One pack will cover a 5,000 sq ft lawn for 1 year  Includes one gallon each of RGS, Humic12, MicroGreene,...
    $116.00
    $116.00
  • Build-a-Box | 4 Gallon - Build to Save (20% Off Retail) | N-Ext
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    Build-a-Box | 4 Gallon - Build to Save (20% Off Retail) | N-Ext
    !!PLEASE MAKE YOUR SELECTION WISELY. ONCE YOUR ORDER IS PLACED, PRODUCTS CANNOT BE EDITED, MODIFIED, or SWAPPED!!  **SAVE 20% off individual retail prices when you buy 4 gallons in a Build-a-Box. Mix-n-match any combination of 4 gallons. When you combine 4 gallons, we save...
    $139.96
    $0.00
    $139.96
  • Build-a-Box | 5 Gallon - Build to Save (20% Off Retail) | N-Ext
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    Build-a-Box | 5 Gallon - Build to Save (20% Off Retail) | N-Ext
    !!PLEASE MAKE YOUR SELECTION WISELY. ONCE YOUR ORDER IS PLACED, PRODUCTS CANNOT BE EDITED, MODIFIED, or SWAPPED!! **SAVE 20% off individual retail prices when you buy 5 gallons in a Build-a-Box. Mix-n-match any combination of 2.5 gallons. When you combine 2.5 gallons, we save...
    $114.00
    $0.00
    $114.00
  • Soil Activator Pack | Four Gallons | N-Ext
    Soil Activator Pack | Four Gallons | N-Ext
    Soil Activator Pack™ - The products in this park are designed to work together to encourage a double-dark green, thick, vigorous, and thatch-free lawn. Includes one gallon of each: RGS, Air-8, D-Thatch, and GreeNe EfFect Improves nutrient uptake and overall plant health Increases root...
    $119.00
    $119.00
  • Seeding/Over-Seeding Pack | Four Gallons | N-Ext
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    Seeding/Over-Seeding Pack | Four Gallons | N-Ext
    Seeding/Over-Seeding Pack™: This pack contains four products loaded with everything your seedlings need to thrive for your next seeding and/or over-seeding project.  This pack includes one gallon of each: RGS, GreenePop, GreeneStart, and GreenePunch Contains energy nutrients seedlings need to get up and out...
    $123.00
    $123.00
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  • Shrub, Tree & Palm Pack | 4 Gallons | N-Ext
    Shrub, Tree & Palm Pack | 4 Gallons | N-Ext
    Shrub, Tree & Palm Pack: This pack will cover all of the nutritional needs of flora and fauna while also caring for the soil in which they grow. Works great for vegetable gardens too, providing a robust blend of macro and micronutrients along with...
    $119.00
    $119.00
  • 0-0-1 RGS/ 0-0-1 Humic12 Combo | 5 Gallon | N-Ext
    Out Of Stock
    0-0-1 RGS/ 0-0-1 Humic12 Combo | 5 Gallon | N-Ext
    0-0-1 RGS/0-0-1 Humic12 Combo: This combo is designed to bring together the root growth power of RGS and the corrective soil abilities of Humic12. Together, these mighty bio-stimulants work to give your turf strong roots, increased nutrient uptake, improved plant quality, and so much...
    $116.00
    $116.00
    Out Of Stock
  • 0-0-1 RGS/ 0-0-5 Air-8 Combo | Five Gallon | N-Ext
    0-0-1 RGS/ 0-0-5 Air-8 Combo | Five Gallon | N-Ext
    0-0-1 RGS / 0-0-5 Air-8 Combo: This dynamic duo works together to relieve soil surface and root zone compaction, powering your turf through surface and subsurface compaction. Includes one 2.5 gallon of each: RGS and Air-8 Relieves soil compaction Stimulates root growth Adds oxygen to...
    $118.00
    $118.00
  • MAG-I-CAL® PLUS Soil Food for Lawns in Alkaline & Hard Soil | Jonathan Green
    MAG-I-CAL® PLUS Soil Food for Lawns in Alkaline & Hard Soil | Jonathan Green
    MAG-I-CAL® PLUS Soil Food for Lawns in Alkaline & Hard Soil is a product that, with continued use, can LOWER the pH in your soil. One 18 lb Bag covers 5,000 sq ft Analysis is 18% calcium, 17% sulfur Fortified with calcium sulfate dihydrate, humic...
    $28.99
    $28.99
  • MAG-I-CAL® PLUS Soil Food for Lawns in Acidic & Hard Soil | Jonathan Green
    MAG-I-CAL® PLUS Soil Food for Lawns in Acidic & Hard Soil | Jonathan Green
    MAG-I-CAL® PLUS Soil Food for Lawns in Acidic & Hard Soil is the product for your lawn if you need to RAISE the pH in your soil. One 18 lb covers 5,000 sq ft Analysis is 28% calcium, 1.5% sulfur, .5% iron Fortified with...
    $28.99
    $28.99

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