You are viewing all Organic Growers Supply products related to “Compost.”
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.
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Coast of Maine Penobscot Blend™ Organic & Natural Planting Mix
currently on backorder
Compost and Potting Soil
currently on backorder
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.
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Coast of Maine Quoddy Blend™ Organic Lobster Compost
currently on backorder
Compost and Potting Soil
currently on backorder
Soil conditioner for flower & vegetable gardens. Blend of compost, peat, aged bark and crab meal. Rich in micronutrients. Ideal for flower and vegetable beds.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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Vermont Compost Fort Light™ Potting Soil
currently on backorder
Vermont Compost Potting Mixes -
Compost and Potting Soil
currently on backorder
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.
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Vermont Compost Fort Vee™ Potting Soil
currently on backorder
Vermont Compost Potting Mixes -
Compost and Potting Soil
currently on backorder
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.
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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.
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Vermont Compost Perennial Blend™
currently on backorder
Vermont Compost Potting Mixes -
Compost and Potting Soil
currently on backorder
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.
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Vermont Compost Plus®
currently on backorder
Vermont Compost Potting Mixes -
Compost and Potting Soil
currently on backorder
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.
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Vermont Compost Totes
expect 1-2 weeks for fulfillment
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.
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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.
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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.
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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.
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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.
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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.
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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.
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The most common and most frequently used soil conditioner. also called Hi-Cal lime. Recommended for soils with excess magnesium.
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