Westland Sulphate of Iron contains ready-to-use granules ideal for acid-loving ericaceous plants. Sulphate of Iron makes soil more acidic, enabling these plants to take up the nutrients they need for healthy growth and development. For these special plants, if soils become too alkaline they suffer severe deficiencies when essential nutrients such as iron become unavailable. Sulphate of Iron enriches and unlocks these nutrients from the soil. It works best for rhododendrons, camellias, azaleas and hydrangeas.Longer lasting flowersRicher, greener foliageStrong Root GrowthPrevents leaf yellowingReady to use granulesCoverage:Young plants: 42 plants Established plants: up to 42m²How to Use:You can apply every 4-6 weeks throughout the growing season from March until the end of August to maintain best plant soil pH for ericaceous plants. Use as a top dressing (sprinkled on the soil surface) or as a base dressing (worked into the soil with a spade or hoe). During dry weather water before and a