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...
Enhance your plants' flowering and fruiting with Black Swallow Organic Bloom Mix 2-5-4. This 2kg bag of nutrient-rich fertilizer is designed for top dressing garden soils, providing a slow release ...
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...
