This seedling mix is perfect for seed starting, transplants and has been optimized for making foolproof soil blocks. Our suite of organic amendments and natural soil conditioners provide all that your plants need for several weeks of initial growth.  This coco-coir/compost based potting soil has superior water holding capacity for more uniform moisture distribution and less drying out. Because coco-coir resists compaction and media shrinkage, this mix maintains an excellent water/air space balance for bigger root growth. 

Ingredients: Coconut Coir, Premium Compost, Aged Pine Fines, Perlite, Gypsum, Alfalfa Meal, Blood Meal, Bone Char, Mycorrhiza

*Available in 1.5 cubic foot bags and 1 cubic yard totes 


This blend replaces mined inputs such as perlite with rice hulls to achieve a truly sustainable product.  Levitation is also the first Dirtcraft product to feature biochar.  Biochar, a form of sequestered carbon from forestry bi-product, has many incredible benefits to a seedling mix such as moderating soil PH, increasing soil CEC, increasing beneficial microorganisms, increasing water holding capacity and more. 

Ingredients: Coconut Coir, Premium Compost, Aged Pine Fines, Rice Hulls, Gypsum, Alfalfa Meal, Blood Meal, Bone Char, Sea Kelp, Chargrow Biogranules

*Available in 1.5 cubic foot bags and 1 cubic yard totes 

Inertia Growers Mix


Our Growers Mix is a mix with staying power ideal for nursery pots, container gardening or raised beds. Its coarse texture is optimized for drainage and air space. Featuring a full suite of slow-release nutrients and minerals, this mix is great for perennials, shrubs or indoor plants. Like all of our products, this mix has been inoculated with beneficial microorganisms to increase soil life and nutrient cycling. This soil can be amended with compost and minimal amendments to be re-used year after year. Also available in BASE recipe for those who wish to stick to their own fertilizing practices.

Ingredients: Aged Pine Fines, Premium Compost, Perlite, Feather Meal, Gypsum, Alfalfa Meal, Mycorrhiza.

*Available in 1.5 cubic foot bags and 1 cubic yard totes


Critical Mass Supersoil is a well balanced, nutrient rich growing medium for heavy feeding plants. Just add water, no need for complicated fertilizer regimens or additional expensive amendments. Critical Mass contains all the nutrients that your plants need for an entire season of growth. This product is a nutrient dense concentrate for use with heavy feeding plants, not intended for direct seeding or small transplants.

(COMING SOON!) We are still conducting trials on this product and expect it to be available by the 2019 growing season. 


We offer several other products on an as available basis for sale bagged or bulk by request only. Please give us a call to inquire about any of the following products.

  • Premium Aged Compost
  • Coconut Coir - High quality buffered coco coir in compressed blocks 
  • Organic Soil Amendments - per availability
  • Bulk Custom Soil Blends - Call us with your specifications!