The Best Iron-sulfate Garden Fertilizers of 2023

KEY FEATURE: 15-0-0-6 Fe is a HIGH CONCENTRATE liquid iron fertilizer solution for darker, greener turf, plants, and shrubs. Provides QUICK GREEN-UP for customers who want a turf more aesthetically appealing.

DIRECTIONS FOR ORNAMENTALS: Mix 2 tsp of fertilizer to 1 gallon of water and water plants generously. Use fertilizer once every two weeks.

DIRECTIONS FOR TURF: Use 3 oz. of fertilizer for every 1000 sq. ft. Mix in a spray tank at ratio of 1-3 oz. per gallon of water. Fertilize once every 2-4 weeks.

GUARANTEED ANALYSIS: 15% Nitrogen, 0% Phosphoric Acid, 0% Soluble Potash, 6% Iron

DERIVED FROM: Urea, Ammonium Hydroxide, Iron Sulfate, and Citric Acid.

The Iron Sulfate plant supplement is recommended for the prevention and correction of chlorosis.

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.

This 4 lb. bag of granular fertilizer can treat up to 1,000 square feet.

For best results apply in the morning hours when temperatures are cool.

See product label for use instructions. Application varies based on plant size and type.

50 Pounds of Greenway Biotech Ferrous Sulfate Heptahydrate 20% Iron (Fe) 12% Sulfur (S) 100% Water Soluble Powder

Required for the Formation of Some Proteins as well in Photosynthesis

Promotes Healthy Growth in Plants and Energy Transfers

Part of the Enzyme System Needed for Plant Respiration

Essential for Chlorophyll Production

For a naturally green garden

Fast acting, non staining turns yellow leaves deep green

For Lawn, Veggies, tree & shrubs

Iron tone is an all natural iron supplement

Provides 5 percent iron and 13 percent sulfur

Restores deep green color to yellow chlorotic plants

Will not stain patios or walkways

Comes in 5-pound bag

SAFEST AND MOST EFFECTIVE SOIL ACIDIFIER & FERTILIZER.

IRON & ALUMINUM FREE.

GREENER LEAVES AND BLUER BLUEBERRIES.

HELPS LOWER ALKALINITY OF SOIL & GIVE THE PLANTS GREATER STRENGTH & BRIGHTER COLORS.

MONEY BACK GUARANTEE: We are confident that you'll love our products and stand behind every item with a 100% satisfaction guarantee. If you are not satisfied with your purchase return the product for a full refund.

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.

Non-staining - Dr. Iron is applied in the oxide form, so it will not stain concrete sidewalks, driveways, patios, etc. Until it has been in contact with soil moisture and converts to the sulfate form.

Great for a variety of uses - use this product on turf, flowers, vegetables, ground-covers, shrubs, and more. The combination of iron and sulfur makes application and plant uptake easy.

Reduce soil pH - Dr. Iron reduces soil pH and won't stain or burn like other iron products. It can be used on turf, flowers, shrubs, and more. It can be used anywhere in the garden where plants are pale or yellowing.

Organic gardening - Dr. Iron is OMRI listed and approved for organic gardening. Omari, the organic materials Review Institute, determines whether or not a product Qualifies as organic under the usa's national organic program.

SAFEST AND MOST EFFECTIVE SOIL ACIDIFIER & FERTILIZER.

IRON & ALUMINUM FREE.

GREENER LEAVES AND BLUER BLUEBERRIES.

HELPS LOWER ALKALINITY OF SOIL & GIVE THE PLANTS GREATER STRENGTH & BRIGHTER COLORS.

MONEY BACK GUARANTEE: We are confident that you'll love our products and stand behind every item with a 100% satisfaction guarantee. If you are not satisfied with your purchase return the product for a full refund.

Animal Feed Grade

Very Soluble Hepahydrate form

20% Iron

Ferrous sulfate heptahydrate is the very soluble form of ferrous sulfate that is used in water treatment, most control, animal feed supplements, along with a wide range of other uses.

5 Pounds of Greenway Biotech Ferrous Sulfate Heptahydrate 20% Iron (Fe) 12% Sulfur (S) 100% Water Soluble Powder

Required for the Formation of Some Proteins as well in Photosynthesis

Promotes Healthy Growth in Plants and Energy Transfers

Part of the Enzyme System Needed for Plant Respiration

Essential for Chlorophyll Production

2 Pounds of Greenway Biotech Ferrous Sulfate Heptahydrate 20% Iron (Fe) 12% Sulfur (S) 100% Water Soluble Powder

Required for the Formation of Some Proteins as well in Photosynthesis

Promotes Healthy Growth in Plants and Energy Transfers

Part of the Enzyme System Needed for Plant Respiration

Essential for Chlorophyll Production