Fertilizers
DIY Lawn Fertilizers featuring Liquid Iron, Bio-Stimulants, Carbon Based Lawn Fertilizers, Soil Activators, Starter Fertilizers, Liquid Aeration, Soil Amendments with Macro and Micro Nutrients.
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7-0-20 Stress Blend 3% Iron - Bio-Nite - Granular Lawn Fertilizer | Yard Mastery7-0-20 Stress Blend is a high potassium, low nitrogen lawn fertilizer to help your turf in and out of stressful situations. From freeze recovery to heat and drought stress survival situations, 7-0-20 Stress Blend is an excellent choice. Covers 6,000 sq ft (18 lb)...
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- From $39.99
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$44.99 - Sale price
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24-0-6 Flagship 3% Iron - Bio-Nite - Granular Lawn Fertilizer | Yard Mastery24-0-6 Flagship is your go-to fertilizer for all grass types, formulated specifically for DIYers to get the lawn thicker and greener. Covers 6,000 sq ft (18 lb) - OR - 15,000 sq ft (45 lb) Analysis 24-0-6:: N-P-K Contains 3% Iron + Bio-Nite™ Great...
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- From $39.99
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$44.99 - Sale price
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12-12-12 Starter Fertilizer 3% Iron - Bio-Nite - Granular Lawn Fertilizer | Yard Mastery12-12-12 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...
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- From $39.99
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$44.99 - Sale price
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16-0-0 Double Dark 6% Iron - Bio-Nite - Granular Lawn Fertilizer | Yard Mastery16-0-0 Double Dark blend will do just what the name implies: make your lawn double dark green. It's really that simple - green and more green. Covers 6,000 sq ft (18 lb) - OR - 15,000 sq ft (45 lb) Analysis is 16-0-0:: N-P-K,...
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- From $39.99
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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...
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- $111.96
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$134.35 - Sale price
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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 5 gallons, we...
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- $105.58
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- $105.58
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Build-a-Box | 4 Gallon - Build to Save (20% Off Retail) | Ecologel!!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 and match any combination of 4 gallons. When you combine 4 gallons,...
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- $143.84
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- $143.84
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Bio-Stimulant Pack | Four Gallons | N-ExtBio-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 of each: RGS, Humic12, MicroGreene,...
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- $116.00
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$120.00 - Sale price
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0-0-48 SOP Sulphate of Potash - Granular Lawn Fertilizer | Yard Mastery0-0-48 Sulphate of Potash (SOP): If you have a soil test that shows you are deficient in potassium (K), this is the perfect product to move you in the right direction. One 24 lb bag covers up to 12,000 sq ft Analysis is 0-0-48...
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- $64.99
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MAG-I-CAL PLUS Soil Food for Lawns in Acidic & Hard Soil | Jonathan GreenMAG-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...
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- $28.99
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MAG-I-CAL PLUS Soil Food for Lawns in Alkaline & Hard Soil | Jonathan GreenMAG-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...
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- $28.99
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Veri-Green Starter Fertilizer for Seeding & Sodding | Jonathan GreenVeri-Green Starter Fertilizer for Seeding & Sodding is formulated to get new grass seedings off to a great start. It helps your lawn grow strong roots and grow faster and thicker when seeding, overseeding, and laying sod. Covers 1,500 sq ft ( 5 lb)...
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- From $12.99
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0-0-5 Air-8 Liquid Aeration Bio-Stimulant, Humic Acid | N-ExtN-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...
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- From $21.99
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- From $21.99
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0-0-1 Humic12 Bio-Stimulant, Humic Acid 12 Percent | N-ExtN-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...
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- From $21.99
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0-0-1 RGS Root Growth Bio-Stimulant, Sea Kelp | N-ExtN-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 Analysis is...
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- From $21.99
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0-0-2 MicroGreene | N-ExtN-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 ...
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- From $21.99
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0-0-5 Sea-K Stress Reducer, Bloom and Root | N-ExtN-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 color,...
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- $49.99
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CytoGro/SeaXtra | EcologelCytoGro® is an EPA-registered hormone bio-stimulant derived from seaweed extracts that blend cytokinins and natural synergists to stimulate root growth and increase the turf’s strength against stress. One gallon covers up to 320,000 sq ft Improves environmental stress tolerance Stimulates root growth Great for increasing...
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- From $59.95
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4-0-2 Multi-Purpose Plus Iron and Bio-Stimulants | Ecologel4-0-2 Multi-Purpose Plus™ is the next generation of combination liquids for turf and ornamentals, designed to enhance color, improve soil water performance, and optimize root vitality for superior quality turf. Multi-Purpose Plus contains some of the same active ingredients found in Hydretain Moisture Manager....
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- From $48.95
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EnviroPlex | EcologelEnviroPlex™ is a soil conditioner containing 22% humic acid, which can increase the uptake of micronutrients. This product contains the highest concentration of humic acid that we carry. One gallon covers up to 42,600 sq ft Excellent carbon source Supports soil microbial activity Great...
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- From $42.95
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20-2-3 TurfPlex Plus SeaXtra | Ecologel20-2-3 TurfPlex™ with SeaXtra® is a high-nitrogen fertilizer for heavily used turf areas. Nitrogen is provided in three plant-available forms that produce excellent turf response and color. One gallon contains 2.12 lbs. of nitrogen Analysis is 20-2-3::N-P-K Produces excellent turf response and color Source...
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14-4-10 Greens Plus | Ecologel14-4-10 Greens Plus™ is a soil-applied NPK blend comprised of slow-release nitrogen from urea-triazine, a highly stable phosphorus source and a less caustic source of potassium for superior turf management. One gallon of Greens Plus contains 1.52 lbs of nitrogen Analysis is 14-4-10::N-P-K Enhances stress...
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- From $47.95
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8-16-5 BloomPlex with Minors | Ecologel8-16-5 BloomPlex is an excellent nutrient blend for use on flowering plants, shrubs, herbs, fruits, and vegetable gardens. It can also be used on lawns as a starter fertilizer for sod or seed. Encourages establishment and plant growth Analysis is 8-16-5::N-P-K Improves stress tolerance...
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- From $46.95
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5-3-2 Bio MP | Ecologel5-3-2 Bio MP is a specialty-formulated soil additive that combines molasses with nitrogen, phosphorus, potassium, and micronutrients to bring benefits to soils and plants alike. Promotes soil microbial activity The analysis is 5-3-2:: N-P-K Great for improving soil and plant quality for all types of...
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- From $44.95
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0-0-1 RGS/0-0-1 Humic12 Combo | 5 Gallon | N-Ext0-0-1 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 together to give your turf strong roots, increased nutrient uptake, improved plant quality, and so...
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- $116.00
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- $116.00
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0-0-1 RGS/ 0-0-5 Air-8 Combo | Five Gallon | N-Ext0-0-1 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...
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- $118.00
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- $118.00
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Double Dark Combo: 0-0-2 MicroGreene / 7-0-0 GreeNe EfFect | Five Gallon | N-ExtDouble Dark 0-0-2 MicroGreene / 7-0-0 GreeNe EfFect Combo: This is the famous iron combo that you've heard about, now available as a 5-Gallon Combo. This is the fastest and most economical way to turn your lawn double dark blue-green and keep it that...
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- $134.00
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0-0-2 MicroGreene/4-0-2 FloraGreene Combo | 5 Gallon | N-Ext0-0-2 MicroGreene/4-0-2 FloraGreene Combo: This powerful duo targets nutritional deficiencies and provides comprehensive nutrition for your lawn and plants. Includes one 2.5 gallon of MicroGreene AND one 2.5 gallon of FloraGreene Great for moving your micronutrient deficiencies back in the right direction Balanced nutrition...
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- $156.00
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- $156.00
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0-0-5 Air-8/0-0-2 D-Thatch Combo | Five Gallon | N-Ext0-0-5 Air-8/ 0-0-2 D-Thatch Combo: Nicknamed the “Yin & Yang” combo, this duo works together to impact two of the most common issues - thatch and compacted soil. If that describes you, this is your tonic! Includes one 2.5-gallon of Air-8 AND one 2.5-gallon...
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- $118.00
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Seeding/Over-Seeding Pack | Four Gallons | N-ExtSeeding/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...
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- $123.00
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- $123.00
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Soil Activator Pack | Four Gallons | N-ExtSoil 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...
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- $119.00
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- $119.00
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Shrub, Tree and Palm Pack | Four Gallons | N-ExtShrub, Tree & Palm Pack: This pack covers 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 chelating...
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- $119.00
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GreeNePak Lawn Fertilizer | Four Gallons | N-ExtGreeNePaK Pack™ is a fully functional and complete lawn program that will deliver your N, P, & K and much, much more for the whole season. One 4-gallon pack will cover a 4,000 sq ft lawn for an entire year Includes one gallon each...
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- $135.00
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26-0-0 GreeneCharge | N-ExtN-Ext 26-0-0 GreeneCharge™ is an enhanced efficiency controlled-release liquid nitrogen plus micronutrients all-purpose fertilizer for all turf types. This is a great option for those who want to spray and pray for nitrogen goodness! One gallon covers up to 8,000 sq ft Analysis is...
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- From $21.99
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Build-a-Box | Liquid Quarts (Buy 3 Get 4th Free)This includes quart bottles with or without the hose-end sprayers. Simply mix-n-match 4 or more quarts, with no limits. Discount applied automatically during checkout. Pick from the dropdown to choose your selections (based on availability). N-ext Greene County Products: 0-0-5 Air-8™ Liquid Aeration: App...
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- $65.97
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- $65.97
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0-0-25 GreeneKick | N-ExtN-Ext 0-0-25 GreeneKick™ Potassium Turf Fertilizer is specifically designed to help correct potassium deficiency and improve the stress tolerance of your beloved turf. Great for applications any time of year, even in the heat of summer. One gallon covers up to 64,000 sq ft...
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- From $25.99
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Halloween Domination Pack | Yard MasteryHalloween Domination Pack: Embrace the chance to dominate your neighbor’s lawn in an up close and personal way this Halloween. One pack will cover up to 6,000 sq ft Includes (1) 18 lb bag of Double Dark lawn fertilizer and (2) quarts of 26-0-0...
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- $63.95
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Cool Season Lawns: Winterizer Value Pack | Yard MasteryCool Season Winterizer Pack: Kentucky Bluegrass, Perennial Ryegrass, and Turf Type Tall Fescue - use this pack to put your lawn to bed properly so it can wake up and blast off next spring. SAVE 25% vs Buying Separately!! This pack Includes: (1) 18 lb...
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- $65.49
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$86.95 - Sale price
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Warm Season Lawns: Winterizer Value Pack | Yard MasteryWarm Season Winterizer Pack: For our warm-season lawns, the term “winterizer” is much different than most people think. We are not trying to push our Bermuda, St Augustine, Zoysia, Centipede, or Bahia grass. Instead, we want to put it to bed, and this pack...
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- $65.49
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$86.95 - Sale price
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The Freedom Pack | Yard MasteryThe 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!**...
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- From $89.99
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$114.95 - Sale price
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Seeding Support Pack (Granular Fertilizer) | Yard MasterySeeding 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...
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- $199.99
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$238.99 - Sale price
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Seeding Support Pack (Liquid Fertilizer) | Yard MasterySeeding Support Pack (Liquid Fertilizer): If you have a cool-season lawn and plan to seed Kentucky Bluegrass, Perennial Ryegrass, or Turf Type Tall Fescue, this pack has everything you need to give it the best start and protection possible. And it’s 100% liquid, with...
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- $199.99
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Warm Season Lawns: Spring Value Pack 1 | Yard MasteryIThis value pack covers the application recommendations inside the Yard Mastery mobile app for warm-season lawns early to mid-spring. When we pack them all together in a bundle, we are able to save on shipping costs, which we can share with you. This pack...
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- $99.95
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$128.95 - Sale price
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Warm Season Lawns: Spring Value Pack 2 | Yard MasteryThis value bundle covers the application recommendations inside the Yard Mastery mobile app for warm-season lawns in mid-late spring. When we pack them all together in a bundle box, we are able to save on shipping costs, which we can share with you. This...
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- $99.95
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$128.95 - Sale price
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Cool Season Lawns: Spring Value Pack 1 | Yard MasteryGet everything you need for the early part of the season, all in one pack - save money too! This value pack covers the application recommendations inside the Yard Mastery mobile app for cool-season lawns from early to mid-spring. When we bundle them all...
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- $99.95
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$128.95 - Sale price
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Cool Season Lawns: Spring Value Pack 2 | Yard MasteryGet your lawn thicker, greener, and growing in spring with the Yard Mastery Spring Value Pack #2. This value pack covers the application recommendations inside the Yard Mastery mobile app for cool-season lawns in mid-late spring. When we pack them all together in a...
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- $99.95
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$128.95 - Sale price
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Bundle & Save Pack - Save 20%Save 20% with our Custom Pack Builder*. Simply select any 1-2 combination of 18lb bags and 2-4 quart products to receive your discount. We'll also throw in a Free Empty Quart with Hose-end Sprayer (valued at $9.95) to make your applications as easy as...
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- $58.78
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Cool Season Lawns: Summer Value Pack | Yard MasterySummer value pack for cool-season lawns - YM app. Get everything you need for the middle of the season, all in one pack - save money, too! This value pack covers the application recommendations inside the Yard Mastery mobile app for cool-season lawns in...
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- $66.99
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$86.95 - Sale price
- $66.99
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Warm Season Lawns: Summer Value Pack | Yard MasteryGet everything you need for summer time applications, all in one pack - save money too! This value pack covers the application recommendations inside the Yard Mastery mobile app for warm-season lawns in summer. When we bundle them all together in a pack, we...
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- $66.99
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$86.95 - Sale price
- $66.99
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Hydr8 MRG (Moisture Retaining Granular) | N-ExtHydr8 MRG™ (Moisture Retaining Granular): Whether you're kick-starting nutrient mineralization in the spring, preparing turf for fall dormancy, or alleviating stress during challenging summer periods, Hydr8 MRG is a great choice for moisture management and retention in all soil types. It's also great for...
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- From $39.99
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