A robust iron fertilizer, this iron sulfate 20 for plants is a high-quality, water-soluble formulation of ferrous sulfate for plants, also known as ferrous sulfate fertilizer. Perfect for addressing iron and sulfur deficiencies in gardens, lawns, and crops—especially in high pH soils. Key Features: designed Analysis: 20% Iron (Fe), 11% Sulfur Comes as a 50 lb bag—ideal bulk packaging for use across larger areas Increases availability of iron to support chlorophyll production and proper photosynthesis, helping correct iron chlorosis Helps acidify alkaline soils, aiding acid-loving species like azaleas, rhododendrons, and blueberries Contains sulfur, a critical secondary nutrient for protein and amino acid synthesis Effective as a moss control agent for turf—promotes a lush, moss-free lawn when applied properly Application & Usage: Use Rate: Broadcast at
California Proposition 65 WARNING: This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm; for more information, visit www.P65Warnings.ca.gov.
How Iron Sulfate 20 (50 lb) fits a fertility plan
Supplies iron for fertility programs where soil, water, tissue testing, or a well-supported diagnosis indicates a need.
A nutrient-specific amendment allows more precise correction than adding another broad, complete fertilizer.
The package size and dry or liquid format shown in the title can be matched to the application equipment and growing area.
Application guidance: Confirm that iron availability is actually limiting before application; pH, root health, salinity, and overwatering can produce similar symptoms. Follow the label rate and placement method, measure carefully, and avoid repeated applications without retesting. Nutrient excess can interfere with uptake of other elements.
Compare related secondary and micronutrient fertilizers when building a complete program.
