Potting Mixes - Supplies

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Potting Media - Seed Starting Supplies

A premium high-test potting soil recommended for indoor growers, container gardening, soil-blocking, or slow-growing seedlings that will be in the greenhouse for six weeks or more. Made in New York. read more

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CannaLot

Potting Media - Seed Starting Supplies

Use this complete soil mix in Fabric Pots to take your cannabis plants from 12" to harvest. Contains a wide variety of organic fertilizers, including biochar to support microbial activity. read more

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Coir Blocks

Potting Media - Seed Starting Supplies

An environmentally sound substitute for peat moss. Use in potting mixes or to add organic matter to your soil. Improves aeration, nutrient retention, and moisture-retention capacity. read more

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Dirtcraft Peat-Free Critical Mass Supersoil

Potting Media - Seed Starting Supplies

Ditch the bottled nutrients with this water-only mix that's supercharged for maximum yield in flowering plants! Recommended for all fruiting and flowering plants, cannabis, and heavy-feeding crops. read more

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Dirtcraft Peat-Free Levitation Seedling Mix

Potting Media - Seed Starting Supplies

Optimized for strong root growth, and charged with a fine-tuned organic fertilizer blend. Recommended for seed starting, transplants, paper-pot trays and rooting cuttings. read more

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Living Acres NP Germination Blend™

Potting Media - Seed Starting Supplies

A light-textured potting soil with extra perlite, screened to ½". Recommended for the smallest flower and herb seeds. Transplant to a more nutrient-rich blend to grow out. Made in Maine. read more

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Peat-free Turbo Seed Starter

Potting Media - Seed Starting Supplies

discontinued, substitute 8364.

This professionally calibrated mix will give any peat-based potting mix a run for its money. This reliable mix will keep your plants going strong in their flats for at least 4 weeks. read more

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Perlite

Potting Media - Seed Starting Supplies

A lightweight, porous and stable material made from volcanic glass. Widely used in potting mixes to improve water retention and prevent compaction. Also great for rooting cuttings. read more

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Rice Hulls

Potting Media - Seed Starting Supplies

A great alternative to perlite in your growing medium—carbonaceous, renewable and less dusty to mix. Also used as a mulch for container plants. Parboiled to eliminate viable weed seeds. read more

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Vermont Compost Fort Light™ Potting Soil

Potting Media - Seed Starting Supplies

Recommended for cell-tray seedlings, but not for soil-blocking. Warms more quickly and drains better than Fort Vee, but might need additional fertilizing prior to transplanting. read more

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Vermont Compost Fort Vee™ Potting Soil

Potting Media - Seed Starting Supplies

Widely used by growers who make soil blocks. Has good water retention and a long-lasting nutrient supply from the high proportion of compost in the mix. Highly recommended for slow-growing seedlings. read more

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Vermont Compost Jolly Roger™

Potting Media - Seed Starting Supplies

Sick and tired of poor yields from your container-grown cannabis or hemp? Ahoy, matey, this flowering and fruiting mix is for you! Also great for tomatoes and other vegetables, flowers or houseplants. read more

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Vermont Compost Pallets of Bags

Potting Media - Seed Starting Supplies

For the times when a few bags just won't cut it, Vermont Compost blends are available in full pallets of 45-quart bags (36 bags per pallet). read more

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Vermont Compost Perennial Blend™

Potting Media - Seed Starting Supplies

Great for filling their raised beds or large containers Coarser than potting mixes, and formulated as a complete soil for organic cultivation of woody plants, shrubs, herbs, vegetables and flowers. read more

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Vermont Compost Totes

Potting Media - Seed Starting Supplies

For the times when those little bags just won't cut it, Vermont Compost blends are available in 2 cubic yard totes, perfect for larger gardens and growing operations. Choose from a variety of blends. read more

Organic Growers Supply: Potting Mixes