Premium Soil Amendment Bundle | Castings, Biochar & Mycorrhizae

Build living, high-performance soil with the Premium Soil Amendment Bundle, a powerful combination of microbial life, nutrient retention, and root-enhancing biology. This bundle brings together three essential soil-building components: nutrient-rich worm castings, high-carbon biochar, and mycorrhizal fungi. When combined, they create a thriving soil ecosystem that supports stronger roots, better nutrient uptake, and healthier, more productive plants. Whether you're upgrading potting soil or building a custom mix from scratch, this bundle gives you everything you need to grow better from the ground up. What’s Included 10 lbs Urban Worm Castings: OMRI-listed, microbe-rich castings that boost growth, improve soil structure, and enhance nutrient cycling 1 lb Urban Worm Biochar: A high-carbon soil amendment that stores nutrients and provides a habitat for beneficial microbes 3 oz Urban Worm Myco: Endomycorrhizal inoculant that strengthens root systems and improves nutrient and water uptake Key Benefits Creates a living soil ecosystem with microbes and fungi Improves nutrient retention and availability Promotes stronger root development and plant growth Enhances soil structure, aeration, and moisture balance Helps increase yields and plant resilience Bundle savings of 30%+ compared to buying separately How to Use For best results: Mix all components thoroughly Add to approximately 1 cubic foot (7.5 gallons) of soil Use in raised beds, containers, or garden soil This blend works especially well for seed starting, transplants, and soil revitalization. Perfect For Building custom soil mixes Revitalizing depleted soil Raised beds and container gardening Organic and regenerative growing systems Gardeners looking to maximize plant performance Upgrade your soil in one step, pair the Premium Soil Amendment Bundle with raised beds or grow supplies to create a complete, high-performance growing system.