Biomin Iron Quart
Best iron supplement for gardeners seeking vibrant, healthy, and nutrient-rich plants.
Biomin Iron Quart delivers a highly bioavailable iron nutrient created through a patented process that encapsulates the mineral iron with amino acids and natural organic acids. This encapsulation prevents iron from being tied up by other chemicals in the soil, ensuring effective uptake by the plant. Once absorbed, the iron is released, and the remaining amino acids provide a slow-release source of nitrogen, which supports plant health without causing excessive vegetative growth after flowering. This formula quickly corrects iron deficiencies and yellowing, improves red pigmentation in grapes, and helps green up lawns and turf effectively.
$15.50
Owner Satisfaction
4.6
/ 5
Category Rank
1791
/ 4425
#1791 in Fertilizers
Price vs Category Average
-75%
Below average
Manufacturer
JH Biotech
/ JH Biotech
Who it's for
- Careful growers seeking versatile, low-risk application methods
- Gardeners struggling with stubborn chlorosis and yellowing leaves
- Plant owners needing fast visual recovery for stressed foliage
Who should skip it
- Commercial growers managing large-scale landscapes or expansive gardens
- Budget-conscious hobbyists looking for affordable standard iron supplements
- Casual gardeners who prefer simple, low-maintenance application routines
Performance breakdown
Nutrient Bioavailability
Patented encapsulation ensures iron reaches the plant without soil interference.
Deficiency Correction Speed
Rapidly reverses chlorosis and yellowing for visible plant recovery.
Growth Regulation
Supports plant health without triggering unwanted vegetative growth after flowering.
Pigmentation Enhancement
Specifically boosts red color development in wine grape varieties.
Application Safety
Nonphytotoxic formula minimizes risk of chemical burn when applied correctly.
Environmental Impact
Organic acid base offers a more sustainable approach to mineral fertilization.
Key Specs
Manufacturer
JH Biotech
Part Number
Biomin-Iron-Qt.
UPC
644189030320
Model Number
644189030320
Nutrient Composition
Encapsulated Iron with Amino Acids and Organic Acids
Nonphytotoxic when applied according to directions
Features
- Patented encapsulation process protects iron from chemical inactivation in the soil
- Provides a slow-release source of nitrogen from residual amino acids
- Prevents unwanted vegetative growth after the flowering stage
- Quickly corrects iron deficiency symptoms like yellowing
- Improves red pigmentation specifically in red wine grapes
- Environmentally friendly formulation
- Completely bioavailable for maximum plant absorption
What customers say
Consumers are genuinely impressed by the product's effectiveness, consistently noting how quickly Biomin Iron Quart corrects severe chlorosis. This high quality performance, which rapidly restores deep green color to struggling plants, is the primary driver of positive feedback. Furthermore, the liquid concentrate is praised for its exceptional ease of use, simplifying the application process for both foliar and soil treatments. This combination of powerful results and simple handling makes it a trusted solution for serious gardeners.
Know before you buy
Standard iron fertilizers can easily bind with other soil chemicals, making them unavailable to plants. Biomin Iron uses a patented process to coat the iron in amino acids, protecting it from these reactions so the plant can absorb the nutrient directly and efficiently.
No. Because the nitrogen in this formula is derived from residual amino acids, it provides a slow-release, steady supply of nutrients that supports plant health without triggering the excessive vegetative growth often caused by traditional high-nitrogen fertilizers.
Yes, this product is specifically designed to quickly correct iron deficiency symptoms like chlorosis, which manifests as yellowing leaves. It is effective for greening up lawns, turf, and various garden plants.
Absolutely. In addition to correcting deficiencies, this formula is specifically formulated to enhance red pigmentation in wine grapes, helping you achieve better color development in your harvest.
When applied according to the label directions, this formula is nonphytotoxic, meaning it will not damage or burn your plants. Always follow the recommended dilution rates to ensure safe and effective application.
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$16