Black Swallow Sulfate of Potash (0-0-50) is a high-quality, water-soluble, ultra-fine potash mineral that provides essential potassium and sulfur to your plants. Containing 51% soluble potash and 1...
Enhance soil health and nutrient uptake with Black Swallow Humic Acid 80% (0-0-5) Powder (1lb). This water-soluble powder is designed to improve soil quality, increase nutrient availability, and st...
Enhance your soil health and boost plant growth with Black Swallow Organic Crustacean Meal. This 5lb bag of organic crustacean meal provides essential nutrients and unique benefits for biological g...
Black Swallow ZumSil Silica Monosilicic Acid (240ml) provides plants with the most bioavailable form of silicon—monosilicic acid—enhancing nutrient uptake and plant health. Silicon is the second mo...
Black Swallow 5 Seed Cover Crop Blend (1lb) is a diverse mix of Buckwheat, Alfalfa, Clover, Lentil, and Fenugreek, providing a well-rounded selection of plants to improve soil health and fertility....
Black Swallow Organic Agricultural Sulfur—90% (1lb) is a highly effective soil amendment designed to lower the pH of alkaline soils, making them more suitable for acid-loving plants. This product h...
