Best Liquid Iron For Plants In June 2025

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Looking for some of the Best Liquid Iron For Plants? As you may know, there are dozens of similar products out there and some come with vastly different price tags. Let us help you out here – we have handpicked for you the Best Liquid Iron For Plants.

To help you in your search, we have completed this list of the Best Liquid Iron For Plants.

Top Rated Best Liquid Iron For Plants Of 2025

Rank	Product Name	Score
1	Miracle-Gro Water Soluble All Purpose Plant Food, 10 lb Buy Now	9.7 Buy Now
2	Espoma IT5 Iron Tone Bag, 5-Pound Buy Now	9.5 Buy Now
3	Southern Ag Chelated Liquid Iron, 16oz-1 Pint Buy Now	9.1 Buy Now
4	Blue Planet Nutrients CalMag with Iron Liquid Supplement Quart (32 oz) | Cal Buy Now	8.8 Buy Now
5	Humboldts Secret Calcium, Magnesium and Iron Supplement – Hydroponic Supplies – Liquid Nutrient Buy Now	8.6 Buy Now
6	Miracle-Gro Tree & Shrub Plant Food Spikes, 12 Spikes/Pack Buy Now	8.3 Buy Now
7	32OZ Chelated Iron Buy Now	8.1 Buy Now
8	Fertilome Chelated Liquid Iron, 1 Gallon Buy Now	7.8 Buy Now
9	Monterey LG7115 Dr Soil Acidifier Granules Iron and Elemental Sulfur Acidic Fertilizer, 7 Buy Now	7.5 Buy Now
10	Nutricost Chelated Iron, As Ferrochel, 36mg, 240 Capsules Buy Now	7.2 Buy Now

1. Miracle-Gro Water Soluble All Purpose Plant Food, 10 lb

• Use with the miracle gro garden feeder or any watering can
• Safe for all plants, guaranteed not to burn when used as directed
• For all flowers, vegetables, trees, shrubs and houseplants
• Feed every 1 to 2 weeks
• Full of essential nutrients, it instantly feeds to grow bigger, more beautiful plants versus unfed plants

2. Espoma IT5 Iron Tone Bag, 5-Pound

• Fast acting, non staining turns yellow leaves deep green
• Comes in 5-pound bag
• For lawn, veggies, tree & shrubs
• Restores deep green color to yellow chlorotic plants
• For a naturally green garden
• Iron tone is an all natural iron supplement

3. Southern Ag Chelated Liquid Iron, 16oz-1 Pint

• Size: 16 oz
• Use in lawns for a deep, rich green color.
• Corrects iron deficiency in flowers, vegetables, shrubs and trees.
• For large quantity discount consideration or to request a mixed multi-pack, please message us.
• Application: mix with water. apply as a drenching spray.

4. Blue Planet Nutrients CalMag with Iron Liquid Supplement Quart (32 oz) | Cal

• High-grade, concentrated formula.blue planet nutrients uses only the highest quality ingredients in our hand-crafted nutrient formulas.
• Proven results across the internet! see why everyone is raving about blue planet nutrients!
• Designed for use in all hydroponic systems, aeroponics, coco-coir, all soil-less mediums such as vermiculite, perlite, and in soil
• This product helps strengthen cell walls resulting in stronger plant structures and greater overall health
• Calmag with iron supplement is used for plants that require elevated levels of calcium and magnesium to reach their fullest potential and is excellent at preventing and correcting blossom end rot

5. Humboldts Secret Calcium, Magnesium and Iron Supplement – Hydroponic Supplies – Liquid Nutrient

• Rich source of calcium magnesium & chelated iron: many varieties of flowering plants require higher levels of these micronutrients. our well-balanced formula is designed to specifically address any plant deficiencies that may be present.
• Increase nutrient uptake and absorption: this formula efficiently increases nutrient uptake and absorption by addressing any plant deficiencies in the first place, thus successfully supporting the vegetative and flowering stage of your plants.
• Corrects common plant deficiencies: sometimes, an unhealthy plant may be suffering from a nutrient deficiency or even too much of one nutrient. our cal/mag & iron supplement effectively corrects and remedies these micronutrient plant deficiencies.
• Suitable for hydroponics, soil, and container gardens: nutrient systems and supplements are commonly used as hydroponic supplies and are a good solution for soil and container gardens, ensuring strong and healthy plants and yields.
• Optimal for coco coir medium and reverse osmosis water: our supplemental cal/mag & iron by humboldts secret is highly recommended for plants growing in coco substrate or reverse osmosis water, as the absorption process becomes magnified.

6. Miracle-Gro Tree & Shrub Plant Food Spikes, 12 Spikes/Pack

• Easy-to-use spikes release nutrients directly into the root zone to help promote strong trees and shrubs
• Contains natural ingredients
• Promotes vibrant color and lush foliage
• Feed once per season in spring and fall
• Also great for use on evergreens and acid loving plants

7. 32OZ Chelated Iron

• Sold on amazon

8. Fertilome Chelated Liquid Iron, 1 Gallon

• 1 gallon
• For use in potted plants, shrubs, lawns, citrus, shade trees, flowers and vegetables.
• A chelated nutritional spray.
• Formulated to offer quick, economical and easy correction of iron deficiency (yellowing of foliage) and other nutrient deficiencies.

9. Monterey LG7115 Dr Soil Acidifier Granules Iron and Elemental Sulfur Acidic Fertilizer, 7

• 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.
• 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.
• 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.
• 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.
• 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.

10. Nutricost Chelated Iron, As Ferrochel, 36mg, 240 Capsules

• 36mg of iron in every capsule (240 servings)
• Manufactured in a gmp compliant, fda registered facility
• Ferrochel iron provides a safe, effective and well-tolerated form of iron
• Non-gmo and gluten free
• 240 vegetable capsules per bottle