Hi-Yield
Hi-Yield Iron Plus Soil Acidifier 11-0-0 20 lb.
Best soil treatment for gardeners managing alkaline soil and yellowing plants.
Revitalize your garden with Hi-Yield Iron Plus Soil Acidifier. This granular formula combats alkaline soil, correcting yellowing and promoting vibrant plant color and growth. It delivers essential nitrogen and iron, crucial for overall plant health. Safe for established lawns, roses, shrubs, and citrus, it ensures your plants thrive even in challenging soil. Easy to apply with a spreader, it's an effective solution for improving soil pH and plant vitality.
$28.72
Owner Satisfaction
4.6
/ 5
Category Rank
1928
/ 4348
#1928 in Fertilizers
Price vs Category Average
-53%
Below average
NPK Ratio
1100
/ --
Who it's for
- Homeowners wanting mess-free, easy application with standard spreaders
- Gardeners needing fast relief for yellowing, alkaline-stressed plants
- Growers seeking simultaneous nitrogen feeding and soil pH management
Who should skip it
- Gardeners requiring permanent, long-term soil pH correction
- Homeowners with nearby concrete walkways or stone patios
- Gardeners looking for a complete, all-in-one nutritional fertilizer
Performance breakdown
pH Correction Efficacy
Rapidly neutralizes alkaline soil to unlock essential nutrient absorption for plants.
Application Convenience
Pelletized form ensures smooth, consistent distribution through standard garden spreaders.
Greening Speed
Quick-release iron formula delivers visible color restoration to yellowing foliage.
Nutrient Density
Balanced nitrogen and iron profile provides a targeted boost for vitality.
Versatility
Effective across diverse landscapes from citrus trees to established lawn grasses.
Soil Compatibility
Specifically engineered to combat the challenges of calcareous and alkaline environments.
Key Specs
NPK Ratio
11-0-0
Form
Pelletized
Package Weight
25 Lbs
Primary Nutrient
Nitrogen (11%)
Secondary Nutrient
Sulfur
Micronutrient
Iron
Recommended for
Alkaline and calcareous soils
Fertilizer Source
Mineral Based
Features
- Corrects plant yellowing from alkaline soil
- Pelletized for easy, even application
- Provides essential iron and nitrogen
- Restores normal plant coloration
- Safe for established grasses
- Versatile for lawns and shrubs
- Improves soil pH
- Promotes plant vigor
What customers say
Customers consistently praise the exceptional quality and effectiveness of this soil acidifier. Users report rapid greening of lawns and plants, successfully correcting iron deficiencies and chlorosis. The product delivers visible results quickly, proving to be a highly reliable solution. This strong performance offers excellent value, making it a trusted staple for gardeners seeking immediate color improvement and healthier plants. It's a go to for noticeable, fast acting results.
Know before you buy
Yellowing leaves, or chlorosis, often occur when plants cannot absorb enough iron due to high soil pH. This product lowers the soil pH and provides a direct source of iron and nitrogen to help restore your plants' natural green color.
Yes, it is safe for established lawns. Because it is pelletized, you can easily apply it using a standard broadcast or drop spreader for even coverage across your grass.
It is designed to improve and lower soil pH in alkaline or calcareous soils, but it is not a permanent fix. You may need to monitor your soil conditions and reapply periodically to maintain the desired acidity for your specific plants.
It is specifically formulated for acid-loving plants, shrubs, roses, and lawns. If you are unsure about your specific plant variety, check if it thrives in acidic soil before application.
No, this is a quick-release formula. It is designed to provide a rapid boost of nitrogen and iron to address immediate nutrient deficiencies and yellowing.
While the product is not water-soluble, it is recommended to water the area lightly after application. This helps the pellets settle into the soil and begin the process of correcting the pH.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$29