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.