Worm Castings + BioChar Blend (5 gallons) net zero Burpee Organic Concentrated Seed Starting

Burpee Organic Concentrated Seed Starting Mix (makes 8qt)

Applying finely ground Basalt Stone Dust to your garden is like adding a fresh deposit of natural soil minerals

Packed with slow-release nutrients

Increases earthworms in soil

Worm Castings + BioChar Blend (5 gallons) net zero Burpee Organic Concentrated Seed StartingA powerful blend of fresh worm castings and activated biochar for nextlevel soil health. This living amendment delivers beneficial microbes, improved nutrient retention, and longlasting soil structure. Our smallbatch castings provide the biology; the biochar provides the habitat. Perfect for gardens, raised beds, houseplants, and regenerative growers who want healthier, more resilient soil. Local pickup only. We do not ship this product.