You are viewing all Organic Growers Supply products related to “Compost.”

Bio365 BIOALL™
Compost and Potting Soil

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
Compost and Potting Soil

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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Coast of Maine Penobscot Blend™ Organic & Natural Planting Mix
Compost and Potting Soil

75% composted salmon, oyster-shell fragments, and wild blueberries with 25% sphagnum peat. Perfect for mulching trees and shrubs, or topdressing lawns. Adds nutrients and structure to planting mixes. read more

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Coast of Maine Quoddy Blend™ Organic Lobster Compost
Compost and Potting Soil

Soil conditioner for flower & vegetable gardens. Blend of compost, peat, aged bark and crab meal. Rich in micronutrients. Ideal for flower and vegetable beds. read more

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Living Acres NP Germination Blend™
Compost and Potting Soil

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
Compost and Potting Soil

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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Rainbow Valley Compost
Compost and Potting Soil

This top-quality compost has strong nitrogen levels and sky-high organic matter. Use as a top-dressing, mix into garden soil, or apply around the trees. Made in Sidney, Maine. read more

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Dirtcraft Peat-Free Critical Mass Supersoil
Dirtcraft Peat-Free Soil - Compost and Potting Soil

low stock
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
Dirtcraft Peat-Free Soil - Compost and Potting Soil

low stock
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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Coir Blocks
More Planting Mediums - Compost and Potting Soil

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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Perlite
More Planting Mediums - Compost and Potting Soil

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
More Planting Mediums - Compost and Potting Soil

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
Vermont Compost Potting Mixes - Compost and Potting Soil

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
Vermont Compost Potting Mixes - Compost and Potting Soil

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™
Vermont Compost Potting Mixes - Compost and Potting Soil

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 Perennial Blend™
Vermont Compost Potting Mixes - Compost and Potting Soil

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 Plus®
Vermont Compost Potting Mixes - Compost and Potting Soil

A great boost for transplants, potted plants and garden soils. Improves soil structure, provides a generous dose of slowly released nutrients and enhances microbial activity. read more

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Vermont Compost Totes
Vermont Compost Potting Mixes - Compost and Potting Soil

expect 1-2 weeks for fulfillment
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

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Seed Starting Success Kit
Fedco Kit

Want to grow your own seedlings but don’t know where to start? This kit is for you! Contains potting soil, cell trays, domes, labels, and extra-thorough instructions to help you succeed. read more

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Custom Mixing
Soil Amendments and Fertilizers

Tired of ineffectively mixing fertilizers or potting soil ingredients together in a wheelbarrow or tractor bucket? Let us do the dirty work for you! Buy ingredients from us or bring your own. read more

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Raw Biochar
Soil Amendments and Fertilizers

Biochar helps your soil sequester more carbon and emit less nitrous oxide. Also provides a dream home for beneficial bacteria and fungi, while preventing essential nutrients from leaching away. read more

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Superworm Frass
Soil Amendments and Fertilizers

NPK: 2-2-2. 16% Chitin. Nourishes chitin-feeding bacteria and fungi, which in turn devour gnat eggs and root-feeding nematodes. Also fortifies plants’ cell walls, and fosters healthy blooms. read more

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Worm Castings
Soil Amendments and Fertilizers

NPK: 0.5-0.5-0.3 apx, plus trace minerals. Worm castings limit plant disease and have beneficial effects including enhanced mycorrhizal activity and the suppression of parasitic nematodes. read more

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Poultry Manure Compost
Animal-based - Soil Amendments and Fertilizers

NPK: 5-4-3 (with 9% Ca). Composted and processed poultry litter provides a good balance of major plant nutrients and other essential elements. Pasteurized to neutralize weed seeds and pathogens. read more

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Pro Pelleted Calcitic Limestone
Calcium Source - Soil Amendments and Fertilizers

The most common and most frequently used soil conditioner. also called Hi-Cal lime. Recommended for soils with excess magnesium. read more

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