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 soil quality and boost plant growth with Black Swallow Organic Humic Acid (2kg). This fine granular humic acid is sourced from Leonardite and OMRI listed, making it an ideal soil amendment ...
Black Swallow Huplaso Basalt Rock Dust is a premium soil amendment sourced from mafic volcanic rock in New Brunswick, Canada. Dating back to the Middle Ordovician period, this basalt contains 57 di...
Boost your soil’s nutrient content with Black Swallow Standard Trio Langbeinite (0-0-22) AKA K-MAG. This 1.5kg pack of 100% natural langbeinite provides a readily available source of essential pota...
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...
Black Swallow Organic All Purpose Mix (4-4-4) is a versatile, slow-release fertilizer designed to enrich garden soils with essential nutrients for healthy plant growth. Perfect for top dressing, th...
