Top 30 Iron Sulfate Garden Fertilizers on Amazon (Verified You can Buy)
Ironite Plus Shrubs, Trees Plant Food Bag Granular 12-10-10 3lb
Ironite
100099053
7.0 x 12.0 x 3.25 inches
1.406 pounds
Ratings for Ironite (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
Nothing greens and grows like Ironite
With 2% Iron for greening
Top 2
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
iron ferrous sulfate
0.5 Pounds
Ratings for xixisusu (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| GZMIXIMIXI | - | ❌ | ❌ | ❌ |
Features
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.
Formulated with concentrated ferrous sulfate, this powerful iron for trees and shrubs delivers readily available nutrients. The iron sulfate for plants works quickly to address nutrient deficiencies in soil.
Top 3
Best for Slow Release
GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth (12 oz)
GARDENWISE
GRN-08-04-08-HDR
0.75 Pounds
Ratings for GARDENWISE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| GardenWise | - | ❌ | ❌ | ❌ |
Features
🌸 SPECTACULAR BLOOMS ALL YEAR: Promote vivid flowers with our balanced 8-4-8 formula, enriched with iron and sulfur for enhanced soil acidity and brighter, healthier blooms.
🌱 TAILORED FOR ACID-LOVING PLANTS: Ideal for hydrangeas, azaleas, camellias, and magnolias, providing essential nutrients for lush foliage and robust health.
Top 4
Best for Powder
Greenway Biotech Ferrous Sulfate Heptahydrate Fertilizer Includes 20% Iron (Fe) 12% Sulfur & 100% Water Soluble Powder- Organic Lawn Fertilizer for Vegetables and Plant Growth - 1 Pound
Greenway Biotech, Inc.
TRTAZ11A
1.0 Pounds
Ratings for Greenway Biotech, Inc. (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| homengardenproducts | 6,951 | ✅ | ✅ | ✅ |
Features
IRON SULFATE HEPTAHYDRATE - Iron ferrous sulfate is used as a soil amendment for lowering the pH of a high alkaline soil so plants can more readily access the soil's nutrients. It is a heptahydrate in the form of iron (2+) sulfate
IT INCLUDES - 1 Pound of Greenway Biotech Ferrous Sulfate Heptahydrate includes 20% Iron (Fe) 12% Sulfur (S) and it is 100% water soluble powder. Our ferrous sulfate fertilizer can also be dried and oxidized to create other useful forms of iron
Simple Lawn Solutions - Liquid Iron Fertilizer Darker Green - Chelated Micronutrients - Concentrated Green Booster for Turf Grass, Indoor Plants and Outdoor Garden (32 Ounce)
Simple Lawn Solutions
DG-LI-32OZ
5.0 x 2.25 x 8.0 Inches
2.0 pounds
Ratings for Simple Lawn Solutions (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Custom Liquid Solutions | - | ✅ | ✅ | ✅ |
Features
Nitrogen and Iron Fertilizer: Darker Green Liquid Iron contains Nitrogen and Iron to help you achieve that dark green color
Maintain Lawn & Supplement Nutrient Deficiencies: Darker Green Liquid Iron is perfect for maintaining lawn or treating lawns deficient in Iron
Top 6
EYAEYAO Ferrous Sulfate Granules 20% Iron, Soil Acidifier for Lawns & Plants | Fast Greening for Grass, Turf, Shrubs, Trees, Flowers & Gardens | Corrects Iron Deficiency & Yellowing (8 oz)
Eyaeyao
ferrous sulfate
Ratings for Eyaeyao (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| eyaeyao | - | ❌ | ❌ | ❌ |
Top 7
GRANDAN Ferrous Sulfate Heptahydrate 1 Lb - 3/16 Inch FeSO4*7H2O Granules - 20% Iron (Fe) Stable and Easy to Store - Organic Lawn Fertilizer for Vegetables and Plant Growth
GRANDAN
YC-LSYT
0.9921 Pounds
Ratings for GRANDAN (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| GRANDAN | - | ❌ | ❌ | ❌ |
Features
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
FeSO4*7H2O - ferrous sulfate is used as a soil amendment to lower the pH of highly alkaline soils, making it easier for plants to obtain nutrients from the soil. It is heptahydrate in the form of iron (2+) sulfate
Top 8
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
Espoma
IT5
11.0 x 5.0 x 3.0 inches
0.0006 pounds
Ratings for Espoma (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Monster Pets | 144 | ✅ | ✅ | ✅ |
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
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
CONTAINS: Iron-tone is a rich blend of the finest organic ingredients enhanced with our exclusive Bio-tone formula; 3-0-3 Fertilizer analysis with 6% iron and 17% Sulfur. Iron-tone is environmentally safe - No sludges or toxic ingredients
Scotts Green Max Lawn Food, Lawn Fertilizer Plus Iron Supplement for Greener Grass, 5,000 sq. ft., 16.67 lbs.
Scotts
44615A
16.0 x 12.0 x 3.0 inches
16.67 Pounds
Ratings for Scotts (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
Scotts Green Max Lawn Food is a dual-action fertilizer and iron formula that feeds your lawn and provides deep greening in just 3 days
This lawn care product contains 5% iron, a micronutrient that enhances the greening process for fast results
Top 10
Ferrous Sulfate for Plants – Liquid Iron Sulfate for Plants for Greener Leaves, Improved Chlorophyll Production & Reduced Yellowing, 32 oz
TPS NUTRIENTS
TPS-FERROUSULFATE-1GAL
3.0 x 3.0 x 9.0 inches
Ratings for TPS NUTRIENTS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| The Plant Shoppe, LLC | - | ❌ | ❌ | ❌ |
Features
Made for Iron Support – Formulated to supply iron for balanced plant nutrition.
Supports Green Foliage & Vitality – Helps encourage vibrant leaf color and steady growth.
Top 11
Greenway Biotech Ferrous Sulfate Heptahydrate Fertilizer Includes 20% Iron (Fe) 12% Sulfur & 100% Water Soluble Powder- Organic Lawn Fertilizer for Vegetables and Plant Growth - 2 Pounds
Greenway Biotech, Inc.
TRTAZ11A
2.0 pounds
Ratings for Greenway Biotech, Inc. (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| homengardenproducts | 6,951 | ✅ | ✅ | ✅ |
Features
IRON SULFATE HEPTAHYDRATE - Iron ferrous sulfate is used as a soil amendment for lowering the pH of a high alkaline soil so plants can more readily access the soil's nutrients. It is a heptahydrate in the form of iron (2+) sulfate
IT INCLUDES - 2 Pounds of Greenway Biotech Ferrous Sulfate Heptahydrate includes 20% Iron (Fe) 12% Sulfur (S) and it is 100% water soluble powder. Our ferrous sulfate fertilizer can also be dried and oxidized to create other useful forms of iron
Commercial Grade Lawn Energizer- Liquid Lawn Fertilizer Booster with Iron & Nitrogen- Turf Spray Concentrated Fertilizer for Deeper Green- Any Grass Type, All Year- Simple Lawn Solutions- 32 Ounce
Simple Lawn Solutions
4316243495
5.5 x 3.0 x 9.0 inches
3.1 pounds
Ratings for Simple Lawn Solutions (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Custom Liquid Solutions | - | ✅ | ✅ | ✅ |
Features
Liquid Lawn Fertilizer Booster: Iron and Nitrogen Blend. Lawn Energizer booster provides essential nutrients needed to darken the green of your lawn
Fertilizer with Attached Sprayer: liquid lawn booster treatment in a ready-to-use hose end sprayer covers 3,200 square feet
Top 13
Greenway Biotech, Inc. Ferrous Sulfate Heptahydrate Fertilizer Includes 20% Iron (Fe) 12% Sulfur & 100% Water Soluble Powder- Organic Lawn Fertilizer for Vegetables and Plant Growth (25 Pounds)
Greenway Biotech, Inc.
25.0 Pounds
Ratings for Greenway Biotech, Inc. (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| homengardenproducts | 6,951 | ❌ | ❌ | ❌ |
Features
IRON SULFATE HEPTAHYDRATE - Iron ferrous sulfate is used as a soil amendment for lowering the pH of a high alkaline soil so plants can more readily access the soil's nutrients. It is a heptahydrate in the form of iron (2+) sulfate
IT INCLUDES - 10 Pounds of Greenway Biotech Ferrous Sulfate Heptahydrate includes 20% Iron (Fe) 12% Sulfur (S) and it is 100% water soluble powder. Our ferrous sulfate fertilizer can also be dried and oxidized to create other useful forms of iron
Scotts Liquid Green Max Lawn Food - Liquid Lawn Fertilizer and Iron Supplement, for Any Grass Type, 29-0-0 NPK, 32 fl. oz.
Scotts
3302105
0.52 Pounds
Ratings for Scotts (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
LIQUID PLANT FOOD WITH LESS PLASTIC WASTE: The reusable spray applicator is designed to be used again with our convenient refill bottles (sold separately)
10 MINUTE LAWN CARE: A 32 fl. oz. bottle of Scotts Liquid Green Max Lawn Food feeds a 2,000 sq. ft. lawn in 10 minutes, just connect the bottle to your hose, and spray the liquid fertilizer, it's that simple
Top 15
Best for Nitrogen
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
The Grow Co
Ammonium Sulfate 21-0-0
4.0 Pounds
Ratings for The Grow Co (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| umBrands | - | ❌ | ❌ | ❌ |
Features
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.
GREAT FERTILIZER SOIL ACIDIFIER: Made to acidify soil, our sulfur for soil is excellent for acid loving plants. It lowers pH levels & is perfect for fertilizing plants in highly alkaline soil.
Top 16
GRANDAN 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 (8 Oz)
GRANDAN
YC-LSYT
Ratings for GRANDAN (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| GRANDAN | - | ❌ | ❌ | ❌ |
Features
Set Includes - 8 Oz 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
FeSO4*7H2O - ferrous sulfate is used as a soil amendment to lower the pH of highly alkaline soils, making it easier for plants to obtain nutrients from the soil. It is heptahydrate in the form of iron (2+) sulfate
Top 17
GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth (1/2 qt)
GARDENWISE
GRN-08-04-08-HDR
1.0 Pounds
Ratings for GARDENWISE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| GardenWise | - | ❌ | ❌ | ❌ |
Features
🌸 SPECTACULAR BLOOMS ALL YEAR: Promote vivid flowers with our balanced 8-4-8 formula, enriched with iron and sulfur for enhanced soil acidity and brighter, healthier blooms.
🌱 TAILORED FOR ACID-LOVING PLANTS: Ideal for hydrangeas, azaleas, camellias, and magnolias, providing essential nutrients for lush foliage and robust health.
Top 18
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
Espoma
2-0-3
8.0 x 7.0 x 3.0 inches
5.0 pounds
Ratings for Espoma (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Monster Pets | 144 | ❌ | ❌ | ❌ |
| Lightning Fast Logistics LLC | - | ❌ | ❌ | ❌ |
| WorldwideSuperStore | 8,907 | ❌ | ❌ | ❌ |
| What America Buys | 478 | ❌ | ❌ | ❌ |
Features
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
CONTAINS: Iron-tone is a rich blend of the finest organic ingredients enhanced with our exclusive Bio-tone formula; 3-0-3 Fertilizer analysis with 6% iron and 17% Sulfur. Iron-tone is environmentally safe - No sludges or toxic ingredients
Top 19
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
Earth Science
12506
Ratings for Earth Science (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Earth Science Co. | - | ❌ | ❌ | ❌ |
Features
Fast Acting for Greener Lawns: Delivers deep green results in just days, revitalizes grass, flowers, shrubs, and vegetables.
Safe for People, Pets, and Plants: Non-burning, non-staining formula ensures safe application.
Top 20
Organic Sulfate of Potash 0-0-50 Made in USA - OMRI Listed - Water Soluble SOP Potassium Plant Food for Plants & Flower Gardens - 3LB Low Chlorine Fertilizer. Enhances Color & Taste!
Cz Garden Supply
0-0-50
Ratings for Cz Garden Supply (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Cz Garden | 7,421 | ❌ | ❌ | ❌ |
Features
OMRI Listed - Cz Sulfate of Potash is an All-Natural mineral fertilizer listed by the Organic Materials Review Institute (OMRI). It may be used in certified organic production or food processing and handling according to the USDA National Organic Program regulations.
PREMIUM QUALITY INGREDIENTS – Cz Garden Sulfate of Potash is high purity, high potassium fertilizer that enhances crop color, texture, and taste while producing more evenly ripe crops. Expertly designed to boost the healthy development of all your indoor/outdoor flowers, fruit, vegetables, and more!
Top 21
Hi-Yield (32340) Iron Sulfate (4 lbs.)
Hi-Yield
32340
5.0 x 8.0 x 13.0 inches
Ratings for Hi-Yield (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Hearthshire | 73 | ✅ | ✅ | ✅ |
| Aidleyco | 878 | ✅ | ✅ | ✅ |
| Sweetner | 2,091 | ✅ | ✅ | ✅ |
| BEYOND YOUR HOME | 141 | ❌ | ❌ | ❌ |
| Harwell's Green Thumb | - | ❌ | ❌ | ❌ |
| Capital Supply | 5,254 | ❌ | ❌ | ❌ |
Features
The Iron Sulfate plant supplement is recommended for the prevention and correction of chlorosis.
This plant fertilizer helps to give a beautiful green color to lawns, shrubs, flowers and gardens.
Top 22
SouthernGRO Iron Sulfate Fertilizer 4lb. Bag (19% FE 11% S)
SouthernGRO
4.0 Pounds
Ratings for SouthernGRO (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Backwoods Attraction | - | ❌ | ❌ | ❌ |
Features
Rich green coloring
Corrects chlorosis
Top 23
Espoma Iron-Tone Plant Food, Natural & Organic Fertilizer, Iron Supplement, Turns Yellow to Green, 5 lb, Pack of 2
Espoma
ESPIT5
5.0 pounds
Ratings for Espoma (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| MyGardenPool | - | ✅ | ✅ | ✅ |
| SWIFTCHOICE | 7,570 | ✅ | ✅ | ✅ |
| Lightning Fast Logistics LLC | - | ❌ | ❌ | ❌ |
| Home and Country USA | - | ❌ | ❌ | ❌ |
| SportingDoc | 94 | ❌ | ❌ | ❌ |
| Monster Pets | 144 | ❌ | ❌ | ❌ |
Features
Espoma Iron-tone Plant Food is a fast-acting iron supplement that turns yellow leaves deep green!
Iron-tone is perfect for lawns, flowers, vegetables, evergreen and ornamental shrubs, berries, citrus, shade, ornamental and fruit trees
Top 24
Ferti-lome Iron Liquid Plant Food
Voluntary Purchasing Groups Inc
10625
1.3 Pounds
Ratings for Voluntary Purchasing Groups Inc (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| A1-FYNE PRODUCTS LLC | - | ❌ | ❌ | ❌ |
Features
EASY APPLICATION: Simple to use liquid form allows for quick mixing and even distribution. Suitable for both foliar spray and soil application for versatile plant feeding.
OPTIMAL PLANT NUTRITION: Provides essential nutrients to support healthy growth and vibrant foliage. Ideal for use as plant food for a variety of trees and shrubs.
Top 25
MicroGenics 0.75% | Contains .75% Magnesium.75% Manganese.75% Zinc.75% Copper.75% Boron.75% Nickel and .75% Iron | Liquid Fertilizer | Makes up to 60 Gallons | 32 fl. oz.
Prevegenics
MCG-32O
10.79 x 6.97 x 3.23 inches
2.75 Pounds
Ratings for Prevegenics (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Prevegenics | - | ✅ | ✅ | ✅ |
Features
MicroGenics 0.75% is an easy to use foliar applied fertilizer. Simply squeeze the bottle to the appropriate amount needed to use in your foliar application. MicroGenics 0.75% is complexed with amino acids, so it is EDTA free and allows for quick and healthy uptake of nutrients in plants.
Complexed with amino acids
Top 26
Best for Powder
Ferrous Sulfate Fertilizer for Plants, Ferrous Sulfate Heptahydrate Granules 20% Iron (Fe) - Plant Food to Help Greener Grass, Lawn, shrubs, Trees and Gardens (1 Pound)
OULLYY
Ratings for OULLYY (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| OULLYY Direct | - | ❌ | ❌ | ❌ |
Features
Ferrous sulfate acts as a soil conditioner, lowering the pH of alkaline soils, making it easier for plants to absorb nutrients from the soil, helping to give your garden that beautiful green color.
Watering the soil - dilute ferrous sulfate with clean water at a rate of 1:500, and then directly water it on the roots of the plants, watering every 30 days or so.
Top 27
𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth [8 OZ]
Gardenera
![𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth [8 OZ] #1](https://m.media-amazon.com/images/I/41hgfhjNniL._SL600_.jpg)
![𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth [8 OZ] #2](https://m.media-amazon.com/images/I/51d1EJaTnoL._SL600_.jpg)
![𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth [8 OZ] #3](https://m.media-amazon.com/images/I/41vmQmB9p1L._SL600_.jpg)
![𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth [8 OZ] #4](https://m.media-amazon.com/images/I/51yGWZwoapL._SL600_.jpg)
![𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth [8 OZ] #5](https://m.media-amazon.com/images/I/518O2RByxgL._SL600_.jpg)
![𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth [8 OZ] #6](https://m.media-amazon.com/images/I/41GMdJW8zUL._SL600_.jpg)
Ratings for Gardenera (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| NSKO Trading | - | ❌ | ❌ | ❌ |
Features
🌸 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.
🌿 FORMULATED FOR ACID-LOVING PLANTS – Specifically designed for hydrangeas, camellias, rhododendrons, and gardenias, this blend promotes lush green foliage and robust flowering.
Top 28
Hi-Yield (34340) Iron Sulfate (3.25 lbs.)
Hi-Yield
34335
3.3 x 7.9 x 12.4 Inches
3.0 Pounds
Ratings for Hi-Yield (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Duncan's Family Farm Store | - | ❌ | ❌ | ❌ |
| Hearthshire | 73 | ❌ | ❌ | ❌ |
| Danny King Products | - | ❌ | ❌ | ❌ |
Features
The Iron Sulfate plant supplement is recommended for the prevention and correction of chlorosis.
This plant fertilizer helps to give a beautiful green color to lawns, shrubs, flowers and gardens.
Top 29
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
1.0 Pounds
Ratings for OULLYY (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| OULLYY Direct | - | ❌ | ❌ | ❌ |
Features
Ferrous sulfate acts as a soil conditioner, lowering the pH of alkaline soils, making it easier for plants to absorb nutrients from the soil, helping to give your garden that beautiful green color.
Watering the soil - dilute ferrous sulfate with clean water at a rate of 1:500, and then directly water it on the roots of the plants, watering every 30 days or so.
Top 30
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
34335 34340 - 2
3.25 pounds
Ratings for Factory Hardware Store (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Factory Hardware Store | 9,533 | ❌ | ❌ | ❌ |
| Duncan's Family Farm Store | - | ❌ | ❌ | ❌ |
Features
2 PACK FOR SEASONAL USE - Includes two 3.25 lb bags—ideal for multiple applications across lawns, shrubs, flowers, and garden beds.
SUPPORTS HEALTHY GREEN COLOR - Provides iron to help maintain rich green appearance in turf and plants.
Top 10 Iron Sulfate Garden Fertilizers - Verified to Buy (October 2026)
- 1. Ironite Plus Shrubs, Trees Plant Food Bag Granular 12-10-10 3lb
- 2. XIXISUSU Iron Sulfate for Plants - Ferrous Sulfate Powder to...
- 3. GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur –...
- 4. Greenway Biotech Ferrous Sulfate Heptahydrate Fertilizer Includes 20% Iron (Fe)...
- 5. Simple Lawn Solutions - Liquid Iron Fertilizer Darker Green -...
- 6. EYAEYAO Ferrous Sulfate Granules 20% Iron, Soil Acidifier for Lawns...
- 7. GRANDAN Ferrous Sulfate Heptahydrate 1 Lb - 3/16 Inch FeSO4*7H2O...
- 8. Espoma Organic Iron-Tone 3-0-3 Organic Fertilizer and Plant Food to...
- 9. Scotts Green Max Lawn Food, Lawn Fertilizer Plus Iron Supplement...
- 10. Ferrous Sulfate for Plants – Liquid Iron Sulfate for Plants...
Top 10 Iron Sulfate Garden Fertilizers Brands on Amazon
Here is the list of top-rated brands that were evaluated by CherryPicks.
- Ironite
- xixisusu
- GARDENWISE
- Greenway Biotech, Inc.
- Simple Lawn Solutions
- Eyaeyao
- GRANDAN
- Espoma
- Scotts
- TPS NUTRIENTS
Related Iron Sulfate Garden Fertilizers Guides
For more personalized Iron Sulfate Garden Fertilizers guides, Check those pages,
Ingredients
Top 10 Iron Sulfate Garden Fertilizers Sellers: CPR Seller Rank List
CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.
- 1. Hearthshire : 350,314 Yearly Feedback , Avg. Ratings 4.7
- 2. SportingDoc : 300,667 Yearly Feedback , Avg. Ratings 4.9
- 3. BEYOND YOUR HOME : 223,768 Yearly Feedback , Avg. Ratings 4.9
- 4. Monster Pets : 221,108 Yearly Feedback , Avg. Ratings 4.9
- 5. What America Buys : 89,037 Yearly Feedback , Avg. Ratings 4.6
- 6. Aidleyco : 55,497 Yearly Feedback , Avg. Ratings 4.9
- 7. Sweetner : 27,887 Yearly Feedback , Avg. Ratings 4.9
- 8. Capital Supply : 12,563 Yearly Feedback , Avg. Ratings 4.9
- 9. homengardenproducts : 9,726 Yearly Feedback , Avg. Ratings 4.9
- 10. Cz Garden : 9,152 Yearly Feedback , Avg. Ratings 4.9
| Rank | Name | Yearly Feedbacks | Avg. Ratings |
|---|---|---|---|
| 🥇 | Hearthshire | 350,314 | 4.7 |
| 🥈 | SportingDoc | 300,667 | 4.9 |
| 🥉 | BEYOND YOUR HOME | 223,768 | 4.9 |
| 4 | Monster Pets | 221,108 | 4.9 |
| 5 | What America Buys | 89,037 | 4.6 |
| 6 | Aidleyco | 55,497 | 4.9 |
| 7 | Sweetner | 27,887 | 4.9 |
| 8 | Capital Supply | 12,563 | 4.9 |
| 9 | homengardenproducts | 9,726 | 4.9 |
| 10 | Cz Garden | 9,152 | 4.9 |
[Get] Iron Sulfate Garden Fertilizers Deals (✅Exclusively for Prime)
What does "Amazon Fulfilled" Mean?
Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.
When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.
What does "Prime" Mean?
"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.
Prime members also have access to other benefits, including 2-Day Shipping, Exclusive Member Deals, Prime Video, Buy With Prime, Amazon Music, Prime Gaming, and more.
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What does "Free Shipping" Mean?
"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.
Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.
Why Should You Trust Us?
Now hundreds and thousands of Gardening supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Iron Sulfate Garden Fertilizers to buy for new October 2026?
CherryPicks’s Methodology for Evaluating Iron Sulfate Garden Fertilizers
We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Gardening items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.
We collected and analyzed 223 of Iron Sulfate Garden Fertilizers reviews based on our selection criteria. It helped us shortlist the top qualified and rated Iron Sulfate Garden Fertilizers for Gardening, We found that most customers choose Iron Sulfate Garden Fertilizers with an average price of $21.23, and the top brands are TPS NUTRIENTS, Cz Garden Supply, Earth Science And Prevegenics.
Then our expert-level editors reviewed all those quality items and selected the top 30 Iron Sulfate Garden Fertilizers for you, We have researched hundreds of sellers and picked the top sellers for Gardening, including Hearthshire, SportingDoc, BEYOND YOUR HOME, Monster Pets, What America Buys, Aidleyco, Sweetner, Capital Supply, homengardenproducts, Cz Garden, SWIFTCHOICE And WorldwideSuperStore. The Ironite Plus Shrubs, Trees Plant Food Bag Granu... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 824 consumers with an average rating of 4.6.
We've helped a lot of satisfied users get the right Patio, Lawn & Garden product based on their needs, and save lots of time for them to pick Iron Sulfate Garden Fertilizers to buy.
Jody is a freelance writer, a martial artist, and a video game player. He has a passion for greens and keeping the lawn neatly kept. He joined the team of our writers to provide a guide on how to keep the lawn, patio, and garden presentable.