19% discount
Southern Ag Copper Sulfate Granular Crystals, 1 Pound
Controls Surface Algae
$ 22.03
free delivery
17% discount
Farmer’s Secret Liquid Iron for Lawns and Gardens - Chelated Liquid Iron Supplement - for use on All Types of Grass, Plants and Trees - Covers 32K Square Feet (32oz)
High-quality liquid Iron - Correct soil deficiencies fast with our concentrated liquid iron formula
$ 23.99
free delivery
14% discount
Ferrous Sulfate Heptahydrate - FeSO4*7H2O - 20% Iron - Very Soluble - 10 Pounds
Animal Feed Grade
$ 28.99
free delivery
20% discount
Sunday Lawn Kickstart Granular Fertilizer, 25-0-4, 12 lbs - Fast Green-Up & Soil Enrichment Lawn Fertilizer - Dual-Action Nitrogen & Iron for Up to 60 Days of Rapid Growth - Covers Up to 4,000 Sq Ft
ENHANCED SOIL HEALTH FOR LONG-TERM GROWTH: Our slow release fertilizer is enriched with wood ash, leaf compost, and humic acid. Our formula improves soil structure and nutrient uptake, promoting more resilient turf.
$ 32.49
free delivery
13% discount
Ammonium Sulfate 21-0-0 Fertilizer, High Nitrogen for Rapid Plant Growth & Deep Green Color, Ideal Soil Acidifier to Lower pH in Alkaline Soil, 5 lb
NITROGEN NUTRIENT PLANT FOOD: Unlike other garden & lawn fertilizers, our ammonia sulfate fertilizer has a 21-0-0 ratio with 21% nitrogen and 24% sulfur for improved soil health & greener growth.
$ 20.00
free delivery
Espoma Turf-Tone All Season Organic Lawn Food with Iron & Exclusive Bio-Tone Formula - Slow Release Long Lasting Feeding for All Lawns - Granular Lawn Fertilizer for All Seasons - Made in USA, 28 lbs
ALL SEASON LAWN FOOD: Formulated to feed lawns in spring, summer, or fall; this natural grass food nourishes from the ground up for a lush, green lawn; ideal for fescues, bluegrass, rye grass, st. augustine, and zoysia
free delivery
11% discount
Southern Ag All Purpose Granular Fertilizer 10-10-10, 5 LB Size: 5 LB
Size: 5 LB
$ 21.40
free delivery
10% discount
21-0-0 Ammonium Sulfate Fertilizer (18lbs) (Granular)
Lush, Dark Green Lawn: With its fast-release nitrogen, this fertilizer works quickly to create a lush, dark green lawn. Perfect for lawns that need a vibrant, healthy appearance in no time.
$ 49.99
free delivery
10% discount
GRANDAN 2 Lb Ferrous Sulfate Heptahydrate - 3/16 Inch FeSO4*7H2O Granules - 20% Iron (Fe) Stable and Easy to Store - Organic Lawn Fertilizer for Vegetables and Plant Growth
Set Includes -2 pound of ferrous sulfate heptahydrate containing 20% iron (Fe) 12% sulfur (S) and is a water-soluble granules. It is also easy to store and use
$ 19.80
free delivery
Fertilizer Chelated Iron FE 11% DTPA 5 LBS
Chelated DTPA Iron
free delivery
Fertilome 32OZ Chelated Iron (Pack of 2)
ferti-lome
free delivery
Lesco 12-0-0 Chelated Liquid Iron Plus
Enjoy a Super Dark Green Lawn
free delivery
Iron Granules - (20% Ferrous Sulfate) - 25 Pound Bag
CONTAINS: 20% Iron from Ferrous Iron Sulfate.
free delivery
Hi-Yield Aluminum Sulfate
SOIL ACIDIFIER FOR PLANTS: Ideal for acid-loving plants like hydrangeas and azaleas. Helps create optimal soil conditions for vibrant blooms and healthy growth in your garden beds.
free delivery
BioBoost Lawn Fertilizer 5-3-0 Organics with 2% Iron - 50 lbs.
Enhanced with Iron
free delivery
Iron II Sulphate, Ferrous Sulphate Damp grade, Fertilizer, 500g - By Inoxia
Plant Growth: It's used for lowering the pH of a high alkaline soil for accessing soil's nutrients. It's known to improve lawn care. In horticulture, it can be mixed with compost and dug into soil to create a store. Ferrous sulfate can also be used as lawn conditioner. It can also be used to eliminate silvery thread moss.
free delivery
Walt's Organic Fertilizer Co. Elemental Sulfur Pellets 5 LB for Acid-loving Plants, Soil Acidifier
Lower soil pH
free delivery
21-0-0 Ammonium Sulfate Fertilizer (18 lbs) (Sprayable)
Lush, Dark Green Lawn: With its fast-release nitrogen, this fertilizer works quickly to create a lush, dark green lawn. Perfect for lawns that need a vibrant, healthy appearance in no time.
free delivery
Ferrous Sulfate Heptahydrate - FeSO4*7H2O - 20% Iron - Very Soluble - 5 Pounds
Animal Feed Grade
free delivery
Ferrous Sulfate Heptahydrate - FeSO4*7H2O - 20% Iron - Very Soluble - 50 Pounds
Fertilizer/Animal Feed Grade
free delivery
Ferrous Sulfate Heptahydrate - FeSO4*7H2O - 20% Iron - Very Soluble - 20 Pounds
Animal Feed Grade
free delivery
Walt's Elemental Sulfur Pellets (10 LB)
Lower soil pH
free delivery
Earthborn Elements Ammonium Sulfate (2.5 lb), Soil Additive, Source of Nitrogen
Earthborn Elements Ammonium Sulfate should be used in a well-ventilated area
free delivery
21-0-0-24 Ammonium Sulfate Fertilizer 25 Pounds by Garden Naturals
Large Bulk Size - Great Value
free delivery
21-0-0-24 Ammonium Sulfate Fertilizer 5 Pounds by Garden Naturals
Great Size and Very Manageable
free delivery
21-0-0-24 Ammonium Sulfate Fertilizer 15 Pounds by Garden Naturals
Great Value
free delivery
Sulfur Fertilizer for Plants – Soil Amendment for Healthier Boosted Growth Liquid Plant Food 8 oz (250mL)
Made for Sulfur Supplementation – Formulated to supply sulfur for plants needing improved soil nutrition.
free delivery
Potassium Sulfate Fertilizer, Premium Potassium and Sulfur Plant Nutrient Blend, 8 oz (250mL)
Made for Potassium Supplementation – Formulated to supply potassium for plants with increased nutrient demand.
free delivery
Pure Original Ingredients Calcium Sulfate (2 lb) Baking, Water Treatment & Gardening
Pure Original Ingredients Calcium Sulfate can be used in multiple ways
free delivery
Sulfate of Potash 0-0-50 Granular Fertilizer (50 Lbs.)
Strengthens the plant making it less susceptible to disease and adverse conditions.
free delivery
Monterey NLG7122 Dr Soil Acidifier Granules Iron and Elemental Sulfur Acidic Fertilizer, 21 lb
Corrects Iron deficiency - when your garden or lawn is yellowing in color, that's a sign of an iron deficiency. Dr. Iron helps to correct this deficiency. The product is made up of 22% iron and 55% sulfur.
free delivery
Ferrous Sulfate [FeSO4] 99% ACS Grade Powder 1 Lb in Two Space-Saver Bottles
Weight: 16 Ounces (1 Pound)
free delivery
20 Pounds - Sodium Molybdate - Na2MoO4*2H2O, >99% Pure
Fertilizer/Animal Feed Grade
free delivery
Liquid 10-10-10 Fertilizer for Trees and Shrubs – Balanced NPK Plus Iron and Micros for Stronger Growth and Healthy Roots, 8 oz
Balanced 10-10-10 Tree Nutrition – Formulated with equal NPK to support tree and shrub health.
free delivery
The Andersons Elemental Sulfur pH Down - 40 lbs. Covers 13,300 sqft.
Formulated for lawns with high pH levels, helping to balance soil acidity for optimal turf health
free delivery
Liquid 10-10-10 Fertilizer for Trees and Shrubs – Balanced NPK Plus Iron and Micros for Stronger Growth and Healthy Roots, 32 oz
Balanced 10-10-10 Tree Nutrition – Formulated with equal NPK to support tree and shrub health.
free delivery
The Andersons Iron Drip 4-0-0 Liquid Lawn Fertilizer with Micronutrients and Fulvic Acid (32 fl oz)
Liquid lawn fertilizer with fulvic acids and micronutrients iron, magnesium and sulfur for optimal nutrition
free delivery
Iron-Tone Plant Supplement, 2-0-3, 5-Lb.
5 Pack : 5 LB, 2-0-3, Iron Tone, All Natural Iron Supplement
free delivery
Iron-Tone Plant Supplement, 2-0-3, 5-Lb.
4 Pack: 5 LB, 2-0-3, Iron Tone, All Natural Iron Supplement
free delivery
Big Cannahuna Nutrients Cal-Mag Max with Iron, 454 Grams
100% Organic water soluble fertilizer supplement
free delivery
𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Premium 8-4-8 Acidic Fertilizer for Hydrangea with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth [12 OZ]
SPECTACULAR YEAR-ROUND BLOOMS – Achieve vibrant flowers in every season with our powerful 8-4-8 balanced fertilizer, enriched with iron and sulfur for brilliant hydrangeas, azaleas, and more.
free delivery
Sulfate of Potash, High-Potassium Plant Fertilizer, 8 oz (250mL)
Made for Potassium Support – Formulated to supply potassium for plants during flowering, fruiting, and stress periods.
free delivery
𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Premium 8-4-8 Acidic Fertilizer for Hydrangea with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth - 1 Quart
SPECTACULAR YEAR-ROUND BLOOMS – Achieve vibrant flowers in every season with our powerful 8-4-8 balanced fertilizer, enriched with iron and sulfur for brilliant hydrangeas, azaleas, and more.
free delivery
Vitamina Terrestre Organic Fertilizer - Fern Class A - Fruit Growth Accelerator - NPK, Calcium, Sulfur, Magnesium - 150g
Specific Organic Fertilizer for Fruit. Accelerates plant growth by up to 60%. Based on poultry manure. Rich in NPK, Calcium, Sulfur and Magnesium. Manufacturer has IBD seal organic products
free delivery
SOP 0-0-50 | Sulfate of Potash Solution Grade Ultrafine Fertilizer Powder (5 Pounds)
Sulfate of Potash 0-0-50. Guaranteed Analysis: Soluble Potash (K2O) =52%, Sulfate - Sulfur (SO4-S) = 18%
free delivery
4-10-10 Bulb and Bloom Fertilizer - Made in USA - 2% Iron + Micronutrients Plant Food for Indoor/Outdoor Flower Gardens and Trees
PREMIUM QUALITY INGREDIENTS – Cz Garden 4-10-10 is a high purity, premium all-purpose fertilizer for flower bulbs, indoor/outdoor flowers, lawn, and garden vegetables.
free delivery
10-10-10 Fertilizer for Vegetables – Liquid Plant Food with Iron & Micronutrients for Balanced Nutrition, Strong Roots & Healthy Harvests, 8 oz
Balanced 10-10-10 Nutrition – Formulated with equal NPK to support steady vegetable plant growth.
free delivery
Ferti-Lome Slow Release Nitrogen Lawn Fertilizer 15-0-15 with Iron – for Centipede & Multiple Grass Types – Covers 4,000 sq ft per Bag (2 Pack)
2 PACK FOR EXTENDED LAWN COVERAGE - Includes two 16 lb bags, each covering up to 4,000 sq ft—ideal for larger lawns or multiple applications.
free delivery
Ferrous Sulfate for Plants – Liquid Iron Sulfate for Plants for Greener Leaves, Improved Chlorophyll Production & Reduced Yellowing, 8 oz
Made for Iron Support – Formulated to supply iron for balanced plant nutrition.
free delivery
Opulent Iron | 16 oz. | Liquid Iron Fertilizer | 7.315% Iron | for Plants or Lawns | Fast Acting | Dark Green Lawn | Foliar Application
Derived From Ferrous Citrate to provide a high systemic effect.
free delivery
Liquid Iron for Lawns, Multi-Purpose and Suitable for All Gardens, 1 Gal
PROFESSIONAL-GRADE: Our EDTA-free, sugar-based Liquid Chelated Iron for plants ensures fast and efficient iron delivery, even in alkaline soils with a pH of up to 9.5, where other solutions fail.
free delivery
KMS Potassium Magnesium Sulfate 0-0-21.5 - Sul-Po-Mag Solution Grade Fertilizer Powder (20 Pounds)
0-0-21.5 Potassium Magnesium Sulfate
free delivery
𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth - 5 QUARTS
SPECTACULAR YEAR-ROUND BLOOMS – Achieve vibrant flowers in every season with our powerful 8-4-8 balanced fertilizer, enriched with iron and sulfur for brilliant hydrangeas, azaleas, and more.
free delivery
Ferrous Sulfate for Plants – Liquid Iron Sulfate for Plants for Greener Leaves, Improved Chlorophyll Production & Reduced Yellowing, 32 oz
Made for Iron Support – Formulated to supply iron for balanced plant nutrition.
free delivery
𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth [16 OZ]
SPECTACULAR YEAR-ROUND BLOOMS – Achieve vibrant flowers in every season with our powerful 8-4-8 balanced fertilizer, enriched with iron and sulfur for brilliant hydrangeas, azaleas, and more.
free delivery
Ferrous Sulfate for Plants – Liquid Iron Sulfate for Plants for Greener Leaves, Improved Chlorophyll Production & Reduced Yellowing, 1 Gallon
Made for Iron Support – Formulated to supply iron for balanced plant nutrition.
free delivery
𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth - 2 QUARTS
SPECTACULAR YEAR-ROUND BLOOMS – Achieve vibrant flowers in every season with our powerful 8-4-8 balanced fertilizer, enriched with iron and sulfur for brilliant hydrangeas, azaleas, and more.
free delivery
CountryMax Ammonium Sulfate Fertilizer 21-0-0, 10LB Bag, High Nitrogen Lawn Fertilizer with Sulfur, Plant Food for Grass, Gardens, Vegetables & Soil Care
[HIGH NITROGEN LAWN FERTILIZER]: 21-0-0 ammonium sulfate fertilizer delivers a strong nitrogen source for lawns, grass, and plants, helping support green color and steady growth
free delivery
𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth - 3 QUARTS
SPECTACULAR YEAR-ROUND BLOOMS – Achieve vibrant flowers in every season with our powerful 8-4-8 balanced fertilizer, enriched with iron and sulfur for brilliant hydrangeas, azaleas, and more.
free delivery
10-10-10 Slow-Release Premium Fertilizer - All-Purpose Plant Food for Indoor Outdoor Gardening Vegetables Flowers Lawn Trees Shrubs, 0.5 Quart
【SAFE AND RELIABLE INGREDIDENTS】Tired of harsh chemical odors and potential leaf burn? Our 10-10-10 fertilizer is crafted from premium natural ingredients, ensuring a safe environment for your family and pets while delivering professional-grade nutrients to your soil
free delivery
𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth [12 OZ]
SPECTACULAR YEAR-ROUND BLOOMS – Achieve vibrant flowers in every season with our powerful 8-4-8 balanced fertilizer, enriched with iron and sulfur for brilliant hydrangeas, azaleas, and more.
free delivery
The Andersons Professional Ecofusion™ Natural 11-0-5 Biosolid Fertilizer with Iron and Micronutrients 18 lb. Bag - Covers up to 5,000 sqft.
An all-natural, professional-grade biosolid fertilizer
free delivery
Boca Hydro Organic Sulfate of Potash 0-0-50 Water Soluble Plant Food for All Plants, Vegetables, Flowers and Trees. (1 Lb)
Potassium helps plants achieve bigger blooms, stronger flowers, bigger yields and more evenly ripened fruits and buds. In addition to healthier stronger roots, stems, and tubers, it also increases plant vigor making them less susceptible to disease and adverse conditions such as excessive heat or cold. Potassium also improves crop color, texture, taste and size of fruit.
free delivery
The Andersons Professional Ecofusion™ Starter 16-21-4 Biosolid Fertilizer with Iron and Micronutrients 18 lb. Bag - Covers up to 5,000 sqft.
An all-natural, professional-grade biosolid fertilizer
free delivery
Boca Hydro Chelated Iron EDTA 14% Water Soluble Plant Food for All Plants, Vegetables, Flowers and Trees. (1 Lb)
Iron is essential for plant growth, it increases effeciency of photosynthesis and formation of chlorophyll. Iron helps reactions involving cell division & growth. 100% of our Chelated Iron is available to plants
free delivery
Lutz Corporation Maple-Birch Tree Fertilizer Spikes, 40 Pack - Plant Food Spikes & Sticks for Red Maple & River Birch Trees - Contains 16% Combined Sulfur, Manganese, and Nitrogen
COMPLETE TREE FOOD SPIKES: Lutz Ultra Citrus Spikes offer a balanced tree fertilizer spike formula tailored for trees and shrubs. With essential nutrients like Manganese (20%), Combined Sulfur (16%), Ammoniacal Sulfur (4%) and Nitrogen (4%), these plant food spikes combat common deficiencies and promote lush growth in your garden.
free delivery
De Amor Magnesium Sulphate Fertilizer | Boosts Growth & Green Foliage | For Flowers, Vegetables, Indoor & Outdoor Plants | 900 gm
EDTA CHELATED FORMULA: Contains essential micronutrients including Zinc (Zn), Copper (Cu), Boron (B), Iron (Fe), Manganese (Mn), and Molybdenum (Mo) in EDTA chelated form for superior plant absorption and effectiveness
free delivery
Espoma Organic Iron-Tone 3-0-3 Organic Fertilizer and Plant Food to Help Correct Iron Deficiency (Chlorosis). 5 lb. Bag. Turns Yellow to Green, Non Staining Iron - 2 Pack
FOR USE ON: Use Iron-tone organic fertilizer anytime iron deficiency is seen; use for lawns, shrubs, trees, annual and perennial flowers. Will not stain patios or walkways
free delivery
Espoma Organic Iron-Tone 3-0-3 Organic Fertilizer and Plant Food to Help Correct Iron Deficiency (Chlorosis). 5 lb. Bag. Turns Yellow to Green, Non Staining Iron - 2 Pack
FOR USE ON: Use Iron-tone organic fertilizer anytime iron deficiency is seen; use for lawns, shrubs, trees, annual and perennial flowers. Will not stain patios or walkways
free delivery
The Andersons Professional Ecofusion™ Plus 20-0-5 Biosolid Fertilizer with Humic Acid, Iron and Micronutrients 18 lb. Bag - Covers up to 5,000 sqft.
A professional-grade biosolid fertilizer. Contains quick-release and MUtech slow-release nitrogen for both immediate and sustained feeding
free delivery
Quick-Release Elemental Sulfur Soil Acidifier - Fertilizer for Hydrangeas, Blueberries, Citrus, Roses, Evergreens & More, Aluminum Sulfate Alternative (5 qts. - 10 lbs.)
Rapid Soil Acidification: Quick-Release elemental sulfur quickly lowers soil pH, ideal as a soil acidifier for hydrangeas, blueberries, citrus, roses, and evergreens.
free delivery
Soil Acidifier - pH Correction 90% Elemental Sulfur for Lawns, Blueberry Bushes, Hydrangeas, Vegetables, and Other Acid Loving Plants. (18 lbs.)
Optimal pH for Special Plants: Soil Acidifier is expertly tailored to create the perfect acidic conditions necessary for lawns, hydrangeas, and blueberry bushes.
free delivery
Quick-Release Elemental Sulfur Soil Acidifier - Fertilizer for Hydrangeas, Blueberries, Citrus, Roses, Evergreens & More, Aluminum Sulfate Alternative (4 qts. - 8 lbs.)
Rapid Soil Acidification: Quick-Release elemental sulfur quickly lowers soil pH, ideal as a soil acidifier for hydrangeas, blueberries, citrus, roses, and evergreens.
free delivery
Quick-Release Elemental Sulfur Soil Acidifier - Fertilizer for Hydrangeas, Blueberries, Citrus, Roses, Evergreens & More, Aluminum Sulfate Alternative (20 qts. - 40 lbs.)
Rapid Soil Acidification: Quick-Release elemental sulfur quickly lowers soil pH, ideal as a soil acidifier for hydrangeas, blueberries, citrus, roses, and evergreens.
free delivery
Quick-Release Elemental Sulfur Soil Acidifier - Fertilizer for Hydrangeas, Blueberries, Citrus, Roses, Evergreens & More, Aluminum Sulfate Alternative (2 qts. - 4 lbs)
Rapid Soil Acidification: Quick-Release elemental sulfur quickly lowers soil pH, ideal as a soil acidifier for hydrangeas, blueberries, citrus, roses, and evergreens.
free delivery
10-10-10 All Purpose Fertilizer - Made in USA - 2% Iron + Micronutrients Plant Food for Flower Gardens, Fruit & Vegetable Gardens, Trees & Lawns!
PREMIUM QUALITY INGREDIENTS – Cz Garden 10-10-10 is All-Purpose Fertilizer for Indoor/Outdoor Plants, Flower Gardens, Fruit and Vegetable Gardens, Holistic Herbs, Trees and Lawns!
free delivery
Quick-Release Elemental Sulfur Soil Acidifier - Fertilizer for Hydrangeas, Blueberries, Citrus, Roses, Evergreens & More, Aluminum Sulfate Alternative (10 qts. - 20 lbs.)
Rapid Soil Acidification: Quick-Release elemental sulfur quickly lowers soil pH, ideal as a soil acidifier for hydrangeas, blueberries, citrus, roses, and evergreens.
free delivery
Greenway Biotech, Inc. Manganese Sulfate Monohydrate Fertilizer- 100% Water Soluble Contains 31% Manganese Ideal for Hydroponics & Aeroponics Agriculture- Palm Tree Plant Fertilizer (5 Pounds)
100% WATER SOLUBLE: This manganese sulfate fertilizer dissolves easily in water, making it an ideal choice for hydroponic and aeroponic agriculture. Great for Palm and Citrus Trees to prevent "frizzle top"
free delivery
TrueNute Iron Chelate FeEDDHA 6% - Advanced Solution for Thriving Aquaponics Systems 16 Oz for Aquaponics Fertilizer Hydroponics Fertilizer Traditional Garden Fertilizer
[Highly Effective] Contains 6% chelated iron (EDDHA) to efficiently correct iron deficiency in all plant types. Stops yellowing of plant/tree leaves
free delivery
Supply Solutions Ammonium Sulfate Fertilizer 21-0-0 +24% Sulfur for Deep Green Plants - Soil Acidifier for Flowers, Trees, Lawn, Acid Loving - Sulfur for Plants Hydrangea Fertilizer (5 Pounds)
Produce Deep Green Growth with Colorful Blooms: Our blueberry fertilizer act as nutrient-rich formula, infusing vitality into every leaf, resulting in a deep, captivating green hue, colorful blooms that signifies health and vigor.
free delivery
Ammonium Sulfate 21-0-0 Fertilizer with Nitrogen and Sulfur | Lowers pH in Alkaline Soil | Ideal for Lawns, Hydrangeas, Azaleas, Blueberries and Acid-Loving Plants | Made in USA | 2 lb Bag
QUICK ACTING NITROGEN: Experience the immediate impact of quick-acting nitrogen on your plants. Our Ammonium Sulfate 21-0-0 delivers a swift infusion of nutrients, ensuring your plants receive the nourishment they need for vigorous growth.
free delivery
Ammonium Sulfate Fertilizer - Great Fertilizer and Soil Acidifier for Azaleas, Blueberries, Magnolia, and More. Boosts Nitrogen for Healthy Plants and Lush Lawns by Old Cobblers Farm (5 lb)
Nitrogen-Rich Formula for Vigorous Growth: Our Ammonium Sulfate Fertilizer stands out as a powerhouse of nitrogen, delivering essential nutrients crucial for promoting robust plant growth and maintaining a lush, healthy lawn. This premium formula ensures that your plants receive the vital elements needed to thrive and flourish.
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Organic Elemental Sulfur Fertilizer 90% 5 Pounds Acidic Soil Amendment, Hydrangea & Blueberry Fertilizer, Ideal for Garden Soil & Lawn Care - Lancaster Agricultural Products
Enhanced Plant Soil Biodiversity: Boost your garden soil's biodiversity with Sulfur, promoting a balanced ecosystem for thriving plants. This friendly soil amendment increases the variety of organisms in your soil, enhancing overall health.
free delivery
Quick-Release Soil Acidifier - Elemental Sulfur & Gypsum Mix - Hydrangea & Blueberry Fertilizer, Aluminum Sulfate Alternative, Improves Blue Hydrangea Color (3 qts. - 6 lbs.)
Fast & Effective Soil Acidifier: Quickly lowers soil pH, creating optimal conditions for hydrangeas, blueberries, and azaleas to thrive; superior alternative to aluminum sulfate and miracid.
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Supply Solutions IronMaxx Granular Fertilizer - All Purpose Plant Food with Iron and Sulfur, Slow Release Garden Fertilizer for Lawn, Vegetables, Flowers & Trees, Outdoor Plant Fertilizer (40 Pounds)
All Purpose Fertilizer That Covers Everything: If you’re tired of switching products, this all purpose fertilizer works across your entire yard. From lawns to beds, this all purpose plant food handles it all. A reliable granular fertilizer and garden fertilizer that fits into your routine as your go-to outdoor plant fertilizer and plant fertilizer outdoor solution.
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Quick-Release Soil Acidifier - Elemental Sulfur & Gypsum Mix - Hydrangea & Blueberry Fertilizer, Aluminum Sulfate Alternative, Improves Blue Hydrangea Color (1 qt. - 2 lbs.)
Fast & Effective Soil Acidifier: Quickly lowers soil pH, creating optimal conditions for hydrangeas, blueberries, and azaleas to thrive; superior alternative to aluminum sulfate and miracid.
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Supply Solutions IronMaxx Granular Fertilizer - All Purpose Plant Food with Iron and Sulfur, Slow Release Garden Fertilizer for Lawn, Vegetables, Flowers & Trees, Outdoor Plant Fertilizer (25 Pounds)
All Purpose Fertilizer That Covers Everything: If you’re tired of switching products, this all purpose fertilizer works across your entire yard. From lawns to beds, this all purpose plant food handles it all. A reliable granular fertilizer and garden fertilizer that fits into your routine as your go-to outdoor plant fertilizer and plant fertilizer outdoor solution.
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LawnStar Liquid Iron (32 OZ) for Plants - Multi-Purpose, Suitable for Lawn, Flowers, Shrubs, Trees - Treats Iron Deficiency, Root Damage & Color Distortion – EDTA-Free, American Made
PROFESSIONAL-GRADE: Our EDTA-free, sugar-based Liquid Chelated Iron for plants ensures fast and efficient iron delivery, even in alkaline soils with a pH of up to 9.5, where other solutions fail.
free delivery
Chelated Iron for Plants – Fast-Acting Liquid Micronutrient for Greener Leaves and Improved Chlorophyll Production, Liquid Fertilizer by TPS Plant Foods, 8 oz (250mL)
Made for Tree Iron Support – Formulated to supply iron to trees experiencing chlorosis
free delivery
Rooted Leaf Agritech Root Anchor - Carbon Based Humic and Kelp Fertilizer, Nitrogen Free with Potassium to Improve Soil and Enhance Plant Growth for Garden Plants Grass Lawns - 5 Gallon
IMPROVES ROOT ARCHITECTURE – Root Anchor improves the shape and structure of roots, allowing for higher nutrient uptake and better plant growth.
free delivery
Supply Solutions 21-0-0-24S Ammonium Sulfate for Deep Green Plants - Soil Acidifier for Blueberry Blooms, Azalea and Magnolia Tree Fertilizer - Sulfur for Plants Nitrogen Fertilizer (25 Pounds)
Produce Deep Green Growth with Colorful Blooms: Our blueberry fertilizer act as nutrient-rich formula, infusing vitality into every leaf, resulting in a deep, captivating green hue, colorful blooms that signifies health and vigor.
free delivery
Supply Solutions 21-0-0-24S Ammonium Sulfate for Deep Green Plants - Soil Acidifier for Blueberry Blooms, Azalea and Magnolia Tree Fertilizer - Sulfur for Plants Nitrogen Fertilizer (10 Pounds)
Produce Deep Green Growth with Colorful Blooms: Our blueberry fertilizer act as nutrient-rich formula, infusing vitality into every leaf, resulting in a deep, captivating green hue, colorful blooms that signifies health and vigor.
free delivery
Espoma IT5 Iron-Tone 5 lb. with My Garden Pool PH Soil Test Strips 20 ct, and My Garden Pool Superior Gardening Claw Gloves and Garden-IQ, Smart Gardening AI Assistant!
Helps correct iron deficiency for deeper, richer green color
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Supply Solutions Sulfate of Potash 0-0-50 Plant Fertilizer- Potassium Fertilizer for Indoor Plants Food, Outdoor, Flowers, Gardens, Fruit, Lawn - Potassium Plant Food with Nutrients (50 Pounds)
Ultra-fine and Highly Soluble for Rapid Absorption: Our yard fertilizer features ultra-fine powder that dissolves quickly in water. This ensures efficient nutrient uptake by plants and promotes fast growth and development.
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GRANDAN 6 Lb Ferrous Sulfate Heptahydrate - 3/16 Inch FeSO4*7H2O Granules - 20% Iron (Fe) Stable and Easy to Store - Organic Lawn Fertilizer for Vegetables and Plant Growth
Set Includes -1 pound of ferrous sulfate heptahydrate containing 20% iron (Fe) 12% sulfur (S) and is a water-soluble granules. It is also easy to store and use
free delivery
Supply Solutions 21-0-0-24S Ammonium Sulfate for Deep Green Plants - Soil Acidifier for Blueberry Blooms, Azalea and Magnolia Tree Fertilizer - Sulfur for Plants Nitrogen Fertilizer (50 Pounds)
Produce Deep Green Growth with Colorful Blooms: Our blueberry fertilizer act as nutrient-rich formula, infusing vitality into every leaf, resulting in a deep, captivating green hue, colorful blooms that signifies health and vigor.
free delivery
8% discount
GRANDAN 3 Lb Ferrous Sulfate Heptahydrate - 3/16 Inch FeSO4*7H2O Granules - 20% Iron (Fe) Stable and Easy to Store - Organic Lawn Fertilizer for Vegetables and Plant Growth
Set Includes -3 pound of ferrous sulfate heptahydrate containing 20% iron (Fe) 12% sulfur (S) and is a water-soluble granules. It is also easy to store and use
$ 29.20
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GRANDAN 5 Lb Ferrous Sulfate Heptahydrate - 3/16 Inch FeSO4*7H2O Granules - 20% Iron (Fe) Stable and Easy to Store - Organic Lawn Fertilizer for Vegetables and Plant Growth
Set Includes -5 pound of ferrous sulfate heptahydrate containing 20% iron (Fe) 12% sulfur (S) and is a water-soluble granules. It is also easy to store and use
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Fertilizer Commercial Grade | Rosalux 5-10-15 | Premium Rose Fertilizer | 3 Pounds | Granular Magnesium Sulfur Iron Manganese Zinc Boron | Topdress Water in | 30–45 Day Feeding | Gardens Landscapes
5-10-15 granular program designed to support rose bloom cycles, color, and root development across landscape beds and containers
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Hi-Yield Iron Sulfate for Lawns & Gardens 3.25 lb – Granular Soil Supplement – Supports Green Color & Soil Conditioning – 1,000 sq ft Coverage (2 Pack)
2 PACK FOR SEASONAL USE - Includes two 3.25 lb bags—ideal for multiple applications across lawns, shrubs, flowers, and garden beds.
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Covington Chelated Liquid Iron Concentrate (32oz) Lawn & Garden Liquid Iron & Nitrogen Supplement for Plants, Shrubs & Trees, Treats Deficiency, Discoloration, Stunted Growth & Root Stress
Correct Yellowing & Chlorosis Fast: Iron-deficient plants often show pale leaves, green veins, and weak growth. This liquid iron blend targets deficiency symptoms quickly to restore rich color and vitality.
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KMS 0-0-21.5 (Potassium Magnesium Sulfate) Fertilizer - Plant Food - The Best for Low Magnesium Soils Prone to Nutrient Loss - Ideal for Lawns, Garden, Vegetable, and Fruit Crops (10 Pounds)
Revitalize Your Soil with Essential Nutrients: Restore magnesium-poor soils with KMS 0-0-21.5 fertilizer. This potent blend of potassium, magnesium, and sulfur delivers vital plant nutrients directly to the roots, ensuring lush, thriving plants and robust growth every season.
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Humboldts Secret Greenify | 12-0-0 Nitrogen & 6% Iron Liquid Lawn Fertilizer | Concentrated Fertilizer Spray - Liquid Nitrogen Fertilizer - Chelated Iron Fertilizer, Liquid Iron for Lawn | 32 oz
Packaging Update: You may receive previous or updated packaging during our transition. Same formula, same performance. Elevate Lawn Health - Our Greenify liquid iron spray, serving as both iron fertilizer and grass fertilizer for lawn care, fortifies your grass with essential nutrients. Designed to provide iron for grass lawn vitality, it revitalizes your lawn with a lush, green appeal. With chelated liquid iron our spray facilitates swift absorption by grass roots, optimizing nutrient uptake.
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Earth Science IronPro Fast Acting Liquid Iron Concentrate— 32oz—Iron Supplement for Lawns Plants Gardens Corrects Iron Deficiency, Deepens Green Color Without Excessive Growth, Covers 4,000 Sq Ft
Fast-Acting Iron Solution: Corrects and prevents yellowing caused by iron deficiency (chlorosis) in lawns, flowers, vegetable gardens, and plants for healthier, vibrant growth.
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XIXISUSU Ferrous Sulfate for Plants, 1 lb Powder - Iron Sulfate for Snake Plants, Gardenias & More - Corrects Yellowing Leaves, Promotes Green Growth - Sulfato de Hierro para Plantas (16 oz)
This high-purity iron sulfate provides essential iron for plants to effectively combat yellowing leaves. Use our ferrous sulfate for plants to restore vibrant green color and support vigorous growth in your garden and houseplants.
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Monterey Dr. Iron 22% Iron Supplement – OMRI Listed for Organic Gardening Bundled with Garden Measure Spoon – Non-Staining, Non-Burning Formula – for Lawns, Gardens & Potted Plants - 7 lbs
FAST-ACTING IRON SUPPLEMENT – Monterey Dr. Iron contains 22% iron and 55% sulfur, ideal for correcting iron deficiency (chlorosis) that causes yellowing in lawns, trees, shrubs, flowers, and vegetables.
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Almighty Iron | (8 fl. oz.) | Makes up to 50 gallons & Covers Up to 50,000 sq. ft. | Liquid Iron - 10% Iron Amino Acid Complex | Foliar Applied Iron for Plants |
10% Iron derived from Iron Amino Acid Complex
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Earth Science IronPro Fast Acting Lawn Garden Iron Supplement–5 lb–Deep Green Results for Grass, Flowers, Vegetables, & Shrubs, Non-Staining & Non-Burning, Easy Apply Formula, Covers 1600 Sq. Ft
Fast Acting for Greener Lawns: Delivers deep green results in just days, revitalizes grass, flowers, shrubs, and vegetables.
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Supply Solutions | 0-0-50 Plus 17% Sulfur | Golden K-Max Sulfate of Potash (SOP) - Granular Fertilizer | High Potassium Plant Fertilizer for Indoor and Outdoor Garden - Stronger Roots (5 Pounds)
Complete nutrition in one scoop: 17-18-18 fertilizer for lawns, gardens, and containers. This balanced fertilizer 17-18-18 feeds roots and top growth with equal NPK plus essential micros (boron, manganese, zinc) and humic acid fertilizer support to help plants use nutrients efficiently. Ideal for vegetable beds, flower borders, shrubs, and trees.
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Aluminum Sulfate Octadecahydrate, ACS, 98+%, 500g
Pacakged in a resealable bag
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Pennington Ironite All-Purpose 1-0-1 Lawn & Garden Fertilizer 5000 sq. ft. for All Grasses - Total Qty: 1
Pennington Ironite All-Purpose 1-0-1 Lawn & Garden Fertilizer 5000 sq. ft. for All Grasses - Total Qty: 1
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Espoma Turf-Tone All Season Organic Lawn Food with Iron & Exclusive Bio-Tone Formula - Slow Release Long Lasting Feeding for All Lawns - Granular Lawn Fertilizer for All Seasons - Made In USA, 14 lbs.
ALL SEASON LAWN FOOD: Formulated to feed lawns in spring, summer, or fall; this natural grass food nourishes from the ground up for a lush, green lawn; ideal for fescues, bluegrass, rye grass, st. augustine, and zoysia
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Supply Solutions | 0-0-50 Plus 17% Sulfur | Golden K-Max Sulfate of Potash (SOP) - Granular Fertilizer | High Potassium Plant Fertilizer for Indoor and Outdoor Garden - Stronger Roots (40 Pounds)
High-potassium nutrition for balanced plant development: this sulfate of potash (SOP) provides potassium sulfate with sulfur to support root strength, stem structure, and fruit and flower formation. A low-chloride potash fertilizer suitable for vegetables, fruit trees, ornamentals, and lawns where chloride sensitivity may be a concern.
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Substral 7391 Iron Fertiliser Green
Iron-Rich Formula: Fortifies plants with essential iron to prevent and correct deficiencies
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