You are viewing all Organic Growers Supply products related to “seed starting.”
Compost and Potting Soil
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Compost and Potting Soil
Bio365 BIOALL™
8366 A premium high-test potting soil. Formerly branded as GreenTree Ithaca Blend. Coir, sphagnum peat, and worm castings form the base of this... read more |
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Compost and Potting Soil
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Compost and Potting Soil
Coir Blocks
8380 This premium washed low-EC coconut coir is a biodegradable and environmentally sound substitute for peat moss. Compressed blocks of coconut fibers... read more |
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Compost and Potting Soil
GreenTree Ag Blend™
8365 All-purpose blend, light on the peat, with coconut coir, worm castings and a well-balanced organic nutrient package. pH 6.5 and EC 1.5 mS/cm.... read more |
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Compost and Potting Soil
Living Acres NP Germination Blend™
8378 A light-textured potting soil with extra perlite, screened to ½". Recommended for the smallest flower and herb seeds. Seedlings more than three... read more |
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Compost and Potting Soil
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Compost and Potting Soil
Rice Hulls
8392 A great alternative to perlite in your growing medium—carbonaceous, renewable and less dusty to mix. May be included at up to a third of your... read more |
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Compost and Potting Soil
Vermont Compost Fort Light™ Potting Soil
8374 Blond sphagnum peat, compost, coconut coir, perlite, and a blend of organic and mineral amendments. Recommended for cell-tray seedlings, but not... read more |
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Compost and Potting Soil
Vermont Compost Fort Vee™ Potting Soil
8371 Blond sphagnum peat, compost, vermiculite and coir with a blend of organic and mineral amendments. Widely used by growers who make soil blocks.... read more |
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Compost and Potting Soil
Vermont Compost Jolly Roger™
8370 Sick and tired of poor yields from your container-grown cannabis or hemp? Ahoy, matey, this flowering and fruiting mix is for you! Once plants are... read more |
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Compost and Potting Soil
Vermont Compost Perennial Blend™
8377 So many customers ask what to use for filling their raised beds or large containers, and we finally have an answer. Crafted by the soil experts at... read more |
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Vermont Compost Totes
expect 1-2 weeks for fulfillment
8373 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... read more |
Seed Starting Supplies
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Seed Starting Supply
Children’s Grow Kit
low stock
8785 An approachable starter kit for young or novice growers. Includes a packet of seed for each of a dozen crops (beans, carrots, popcorn, cucumbers,... read more |
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Seed Starting Supply
Controller Thermostat for Agritape Heat Mat
low stock
8840 This precise controller thermostat (Heat mat sold separately) is to be used with our Agritape heat mats. Each controller has one flexible 3' tube... read more |
Seed-Starting Supplies
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Seed-Starting Supply
Agritape Heat Mat 10ft
8839 A good heat mat makes the difference between success and complete failure when starting crops of tropical ancestry, including most Solanums... read more |
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Agritape Heat Mat 4ft
8838 A good heat mat makes the difference between success and complete failure when starting crops of tropical ancestry, including most Solanums... read more |
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Seed-Starting Supply
Fabric Pots 1 gal
8807 These one-gallon plain round pots are great for young plants. Non-woven fabric pots provide excellent support to growing plants while allowing air... read more |
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Seed-Starting Supply
Fabric Pots 100 gal
8812 These 100-gallon plain round pots are perfect for those monster plants. Non-woven fabric pots provide excellent support to growing plants while... read more |
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Seed-Starting Supply
Fabric Pots 20 gal
8810 These 20-gallon pots with built-in handles for easier maneuvering. Non-woven fabric pots provide excellent support to growing plants while... read more |
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Seed-Starting Supply
Fabric Pots 3 gal
8808 These three-gallon plain round pots are great for young plants. Non-woven fabric pots provide excellent support to growing plants while allowing... read more |
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Seed-Starting Supply
Fabric Pots 45 gal
8811 These 45-gallon plain round pots are perfect for those monster plants. Non-woven fabric pots provide excellent support to growing plants while... read more |
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Seed-Starting Supply
Fabric Pots 5 gal
8809 These 5-gallon pots with built-in handles for easier maneuvering. Non-woven fabric pots provide excellent support to growing plants while allowing... read more |
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Fabric Transplant Pot
8806 Like our regular Fabric Pots, but with a Velcroed slit side to allow for easier transplanting without disturbing the root ball. With felt handles.... read more |
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Seed-Starting Supply
Kord® Fiber Grow Garden Paks
8781 Made of recycled cardboard fiber, these handy planters breathe much like clay pots. Reusable with care—one customer says he got ten years out of... read more |
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Seed-Starting Supply
Mesh Bottom Trays
8836 Like our standard 1020 trays, but with open mesh bottoms. Favored by many growers for soil block propagation as roots will air-prune; simply lay in... read more |
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Seed-Starting Supply
Plug Flats, 50 cell
8817 Also known as Pro Trays. Fit into standard 1020 Trays for easy handling in the greenhouse. Made of lightweight black plastic with bottom drain... read more |
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Seed-Starting Supply
Plug Flats, 72 cell
8820 Also known as Pro Trays. Fit into standard 1020 Trays for easy handling in the greenhouse. Made of lightweight black plastic with bottom drain... read more |
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Silicone Six-Pack Trays
8813 Tired of cheap plastic six-packs that fade and crack? Concerned about harmful chemicals leaching from poly containers into the root zone of your... read more |
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Seed-Starting Supply
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Seed-Starting Supply
Winstrip Air Pruning Tray, 50 cell
8815 Have you longed to jettison those flimsy plastic plug flats but hesitated to invest all the extra soil, time and energy into soil blocks?... read more |
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Seed-Starting Supply
Winstrip Air Pruning Tray, 72 cell
8816 Have you longed to jettison those flimsy plastic plug flats but hesitated to invest all the extra soil, time and energy into soil blocks?... read more |
1020 Trays
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1020 Tray
Domes
8829 Clear plastic raised covers, approximately 2" high, fit over 1020 Trays to create a miniature greenhouse environment for seedlings. Keep the soil... read more |
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1020 Tray
Heavy Duty Dome
8835 Sturdy clear plastic domes from the manufacturer of our heavy-duty plant trays. Will last for years with reasonable care. 3¼" tall. read more |
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1020 Tray
Heavy Duty Plant Tray
8832 These sturdy 11x22x2¾" khaki plastic trays will last for years and are strong enough to hold 50 2" soil blocks without strain. Good for... read more |
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1020 Tray
High Domes
8830 Our regular domes are not tall enough for vigorous seedlings like cucurbits and tomatoes: these larger plants will be pushing against the... read more |
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1020 Tray
Plant Trays with Drain Holes
8823 10½x21x2¼" grey plastic trays, often called 1020 Trays. Use with domes to hold in heat and moisture. read more |
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1020 Tray
Plant Trays without Drain Holes
8826 10½x21x2¼" grey plastic trays, often called 1020 Trays. Good for windowsills because they have no drain holes. Use with domes to hold in heat and... read more |
CowPots
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CowPot
CowPots™ 3" Round
8805 Made in the U.S. from cow manure and a bit of recycled newsprint. Roots can grow right through the walls of the pot, and additional plant food... read more |
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CowPot
CowPots™ 3" Square
8802 Made in the U.S. from cow manure and a bit of recycled newsprint. Roots can grow right through the walls of the pot, and additional plant food... read more |
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CowPot
CowPots™ 4" Square
8796 Made in the U.S. from cow manure and a bit of recycled newsprint. Roots can grow right through the walls of the pot, and additional plant food... read more |
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CowPot
CowPots™ Six-Pack
8799 Six-packs of 3" squares, 3" tall. Made in the U.S. from cow manure and a bit of recycled newsprint. Roots can grow right through the walls of the... read more |
Jiffy Pots
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Jiffy Pot
Jiffy® Pots 3" Round
8787 Peat pots. Just the right size for tomatoes, brassicas and melons. 18 fit in a standard 1020 Tray. Peat Jiffy Pots can be put directly in the... read more |
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Jiffy Pot
Jiffy® Pots 3" Square
8790 Peat pots. Square pots can be more tightly packed than round pots. Saves space and conserves moisture. 18 fit in a standard 1020 Tray. Peat Jiffy... read more |
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Jiffy Pot
Jiffy® Pots 4½" Round
8793 Peat pots. Bigger pots for squashes and other late-season plants. 14 fit in a standard 1020 Tray. Peat Jiffy Pots can be put directly in the... read more |
Ladbrooke
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Ladbrooke
Ladbrooke Micro 20 Blocker
8847 Makes 20 micro-blocks per stroke in a 3x4" area. Use when your space is limited or when you want a large number of transplants. Micro-blocks are... read more |
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Ladbrooke
Ladbrooke Micro Blocker Inserts
8850 Make 2" soil blocks ready to receive micro-blocks. Set of square plastic inserts can be snapped into Mini 4 or Multi 12 blockers. Pop out the... read more |
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Ladbrooke
Ladbrooke Mini 4 Soil Blocker
8844 Makes four 2" soil blocks in one stroke. Using soil blocks allows for easy transplanting and eliminates root spiraling. Made in England by... read more |
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Ladbrooke
Ladbrooke Mini 5 Soil Blocker
8841 Makes five 1½" soil blocks in one stroke. Using soil blocks allows for easy transplanting and eliminates root spiraling. Made in England by... read more |
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Ladbrooke Multi 12 Floor Blocker
8853 Makes twelve 2" blocks at one time. Very helpful for large production. Long handle means no stooping. Using soil blocks allows for easy... read more |
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Ladbrooke Multi 20 Floor Blocker
8856 Makes twenty 1½" blocks at one time. Long handle. Great space-saver for starting lettuces and greens. Using soil blocks allows for easy... read more |