Organic Soil Additive Protects & Greens Trees, Flowers, Vegetables and Lawns for up to 3 months! Actino-Iron Biological Fungicide controls and suppresses root diseases and is also a source of iron essential for plant growth and development. Actino-Iron contains the patented Actinovate microorganism, Streptomyces lydicus WYEC 108. This powerful microorganism colonizes on the root systems of plants, protecting the plant from soil borne diseases. Fungi controlled include damping off, black rot, brownpatch, take-all patch, Fusarium, Pythium, Rhizoctonia, Phytophthora and other root decay fungi. In addition, use of Actino-Iron Biological Fungicide will produce hardier, more vigorous plants with increased root development. Plants will be larger and greener with Actino-Iron Biological Fungicide. For indoor and outdoor plants including bedding plants, potted plants, trees, shrubs, annuals, perennials, roses, vegetables, herbs and lawns.