Ironite Mineral Supplement by Pennington, 1-0-0 Fertilizer, 15 lb.
Ironite Mineral Supplement by Pennington, 1-0-0 Fertilizer, 15 lb.
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Ironite Mineral Supplement by Pennington, 1-0-0 Fertilizer, 15 lb.

4.5 stars out of 441 reviews
(4.5)|
441 ratings

Key item features

  • Ironite Mineral Supplement by Pennington
  • Container more Iron for a deeper green
  • For use on: lawns, flowers, shrubs, vegetables, trees
  • Non-burning and non-staining Fertilizer
  • Helps grass use nutrients found naturally in the soil
  • Iron rich Mineral Supplement
  • NPK 1-0-0 fertilizer formulation
  • Read and follow all package instructions, warnings and labels
  • Coverage area: 5000 sq. ft.
  • 15 lb. ;0.347 cu. ft. ; Bag
  • Condition: New
Current price is Now $23.97
You save $28.02
was $51.99
$1.60/lb
Price when purchased online
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One-time purchase $23.97

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Ironite Mineral Supplement by Pennington, 1-0-0 Fertilizer, 15 lb.
Ironite Mineral Supplement by Pennington, 1-0-0 Fertilizer, 15 lb.
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Comparison Chart:
Npk ratio1-0-0Ironite Mineral Supplement by Pennington, 1-0-0 Fertilizer, 15 lb.10-10-10Expert Gardener All Purpose Plant Fertilizer, 10-10-10 Fertilizer, 10 lb.7-0-1Ironite Plus Liquid Lawn & Garden Ready to Spray 7-0-1, 32 oz-Chelated Liquid Iron - 16 fl oz Bottle by Southern AG22-0-10GreenView Fall Lawn Food with GreenSmart Fertilizer - 16 lbs. - Covers 5,000 sq. ft.0-0-0.1Sunday Pet Patch Ready-to-Spray Lawn Repair for Pet Spots, 42.3 oz, 0-0-0.10, 2500-Sq ft-Sunniland Manganese Sulphate Soil Enhancer 4 lb
Fertilizer typeSyntheticIronite Mineral Supplement by Pennington, 1-0-0 Fertilizer, 15 lb.SyntheticExpert Gardener All Purpose Plant Fertilizer, 10-10-10 Fertilizer, 10 lb.SyntheticIronite Plus Liquid Lawn & Garden Ready to Spray 7-0-1, 32 ozSyntheticChelated Liquid Iron - 16 fl oz Bottle by Southern AGSyntheticGreenView Fall Lawn Food with GreenSmart Fertilizer - 16 lbs. - Covers 5,000 sq. ft.NaturalSunday Pet Patch Ready-to-Spray Lawn Repair for Pet Spots, 42.3 oz, 0-0-0.10, 2500-Sq ftNaturalSunniland Manganese Sulphate Soil Enhancer 4 lb
FormGranulesIronite Mineral Supplement by Pennington, 1-0-0 Fertilizer, 15 lb.GranulesExpert Gardener All Purpose Plant Fertilizer, 10-10-10 Fertilizer, 10 lb.LiquidIronite Plus Liquid Lawn & Garden Ready to Spray 7-0-1, 32 ozLiquidChelated Liquid Iron - 16 fl oz Bottle by Southern AGGranulesGreenView Fall Lawn Food with GreenSmart Fertilizer - 16 lbs. - Covers 5,000 sq. ft.LiquidSunday Pet Patch Ready-to-Spray Lawn Repair for Pet Spots, 42.3 oz, 0-0-0.10, 2500-Sq ftLiquidSunniland Manganese Sulphate Soil Enhancer 4 lb
Rec. usePlantIronite Mineral Supplement by Pennington, 1-0-0 Fertilizer, 15 lb.PlantExpert Gardener All Purpose Plant Fertilizer, 10-10-10 Fertilizer, 10 lb.PlantIronite Plus Liquid Lawn & Garden Ready to Spray 7-0-1, 32 ozFlowerChelated Liquid Iron - 16 fl oz Bottle by Southern AGLawnGreenView Fall Lawn Food with GreenSmart Fertilizer - 16 lbs. - Covers 5,000 sq. ft.LawnSunday Pet Patch Ready-to-Spray Lawn Repair for Pet Spots, 42.3 oz, 0-0-0.10, 2500-Sq ftGardenSunniland Manganese Sulphate Soil Enhancer 4 lb
Now hiding additional rows in the Table

Customer ratings & reviews

4.5 out of 5 stars
stars441 ratings329 reviews
How item rating is calculated

Reviews summary

Pros
  • : Can be applied using various methods.
  • : Can be used on various types of flowers.
  • : Improves grass growth and color in varying sunlight conditions.
  • : Effective on lawns, trees, shrubs, fruits, and vegetables.
  • : Produces vibrant green color on lawns and plants.
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Customer images

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Showing 1-3 of 329 reviews

Dec 18, 2025
debbie
Top Reviewer
Item details
Size: 3 lbs
5 out of 5 stars review

Verified Purchase

I applied Ironite to my lawn in May and my grass became very green, even while my soil had tested alkaline. Next spring, I will definitely use Ironite again

Helpful?33NKWDJ1S3K3265373906
Apr 12, 2025
zcarp
Item details
Size: 15 lbs
5 out of 5 stars review

Verified Purchase

If you want to know the trick to a deep green lawn, add ironite to your fertilizer routine. Follow instructions on the bag and your neighbors will all want to know your secret.

Helpful?33NKWDJ1S3K3265373906
Jul 10, 2025
homer
Top Reviewer
Item details
Size: 3 lbs
5 out of 5 stars review

Verified Purchase

Grass is greener, and flowers are thriving. Good stuff and easy. Be patient give it time, as it's not an instant thing...

Helpful?33NKWDJ1S3K3265373906

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