Iron sulphate fertilisers in comparison
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Last updated on 18.10.2026
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Ferrous Sulfate for Plants – Liquid Iron Sulfate for Greener Leaves, 8 oz
TPS NUTRIENTS
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9,9
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2
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)
Factory Hardware Store
7% off
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9,8
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3
XIXISUSU Iron Sulfate for Plants - Ferrous Sulfate Powder to Correct Chlorosis & Yellow Leaves, Fast-Acting Iron for Plants, Trees, Lawns & Shrubs - Essential Nutrient Supplement (8 oz)
xixisusu
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9,7
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4
![𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Slow Release Hydrangea Fertilizer with Iron & Sulfur - Indoor & Outdoor Soil Acidifier for Miracle Growth [8 OZ]](https://cdn.which.one/productimages/8/6/V/B0FDFTPV68.jpg)
𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Slow Release Hydrangea Fertilizer with Iron & Sulfur - Indoor & Outdoor Soil Acidifier for Miracle Growth [8 OZ]
Gardenera
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9,4
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5
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
LawnStar
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9,4
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6
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
PLANTCO
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9,4
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7
Iron II Sulphate, Ferrous Sulphate Damp grade, Fertilizer, 500g - By Inoxia
Inoxia
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9,4
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8
10-10-10 All Purpose Fertilizer - Made in USA - 2% Iron + Micronutrients Plant Food for Flower Gardens, Fruit & Vegetable Gardens, Trees & Lawns!
Cz Garden Supply
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9,3
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9
CountryMax 10LB Ammonium Sulfate 21-0-0 Fertilizer for Lawn & Garden
CountryMax
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9,3
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10
Ferrous Sulfate Fertilizer for Plants, Ferrous Sulfate Heptahydrate Granules 20% Iron (Fe) - Plant Food to Help Greener Grass, Lawn, shrubs, Trees and Gardens (3 pounds)
OULLYY
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9,2
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You might also be interested in these iron sulphate fertilisers.
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.
$ 43.99
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21-0-0 Ammonium Sulfate Fertilizer – 40 lbs
Fast-Acting Green-Up & Growth – DARK MATTER 21-0-0 delivers a powerful nitrogen boost for rapid turf, garden, and plant growth, producing deep green lawns, vibrant flowers, and nutrient-rich vegetables.
$ 59.99
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5% off
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
$ 26.35
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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.
$ 90.24
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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.
$ 70.69
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Ammonium Sulfate High Nitrogen Fertilizer for Plants Rapid Growth, 5lb
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.
$ 17.47
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Sulfate of Potash 0-0-50 Granular Fertilizer (50 Lbs.)
Strengthens the plant making it less susceptible to disease and adverse conditions.
$ 99.95
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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
$ 39.88
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Ammonium Sulfate 21-0-0 Fertilizer, Water Soluble Ammonia Sulfate Fertilizer, High Nitrogen 21-0-0 for Lawn, Crops & Garden (2 LB)
Premium Ammonium Sulfate 21-0-0 fertilizer with 21% high nitrogen, boosts lush leaf growth for lawns and crops.
$ 18.00
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21-0-0-24 Ammonium Sulfate Fertilizer 5 Pounds by Garden Naturals
Great Size and Very Manageable
$ 26.99
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Walt's Organic Fertilizer Co. Elemental Sulfur Pellets 5 LB for Acid-loving Plants, Soil Acidifier
Lower soil pH
$ 17.00
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Humboldts Secret Greenify, 12-0-0 Nitrogen & 6% Iron, Liquid, 32 Ounce
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.
$ 34.97
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