You are viewing all Organic Growers Supply products related to “seed starting.”
Compost and Potting Soil
Compost and Potting Soil
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
Compost and Potting Soil
Compost and Potting Soil
This premium washed low-EC coconut coir is a biodegradable and environmentally sound substitute for peat moss. Compressed blocks of coconut fibers... read more
Compost and Potting Soil
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
Compost and Potting Soil
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
Peat-free Turbo Seed Starter
currently on backorder, ETA 11/29
Peat-free is the way to be! This professionally calibrated mix will give any peat-based potting mix a run for its money. In a head-to-head trial,... read more
Compost and Potting Soil
Compost and Potting Soil
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
Compost and Potting Soil
Blond sphagnum peat, compost, coconut coir, perlite, and a blend of organic and mineral amendments. Recommended for cell-tray seedlings, but not... read more
Compost and Potting Soil
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
Vermont Compost Jolly Roger™
currently on backorder, ETA 12/6
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
Compost and Potting Soil
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
Vermont Compost Totes
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... read more
Seed Starting
Seed Starting
A good heat mat makes the difference between success and complete failure when starting crops of tropical ancestry, including most Solanums... read more
Seed Starting
A good heat mat makes the difference between success and complete failure when starting crops of tropical ancestry, including most Solanums... read more
Seed Starting
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
Seed Starting
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
Seed Starting
These 20-gallon pots with built-in handles for easier maneuvering. Non-woven fabric pots provide excellent support to growing plants while... read more
Seed Starting
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
Seed Starting
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
Seed Starting
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
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
Seed Starting
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
Seed Starting
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
Seed Starting
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
Seed Starting
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
Seed Starting
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
1020 Trays
1020 Tray
Clear plastic raised covers, approximately 2" high, fit over 1020 Trays to create a miniature greenhouse environment for seedlings. Keep the soil... read more
1020 Tray
Sturdy clear plastic domes from the manufacturer of our heavy-duty plant trays. Will last for years with reasonable care. 3¼" tall. read more
1020 Tray
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
1020 Tray
Our regular domes are not tall enough for vigorous seedlings like cucurbits and tomatoes: these larger plants will be pushing against the... read more
1020 Tray
We’ve never seen a sturdier tray! Thicker plastic than the Heavy Duty Trays, yet more flexible and can allegedly withstand being run over by a... read more
1020 Tray
1020 Tray
CowPots
CowPot
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
CowPot
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
CowPot
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
CowPot
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
Jiffy Pot
Jiffy Pot
Jiffy Pot
Ladbrooke
Ladbrooke
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
Ladbrooke
Ladbrooke
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
Ladbrooke
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
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
Neversink Farm Tools
Neversink Farm Tool
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
Neversink Farm Tool
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
Neversink Farm Tool
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
Neversink Farm Tool
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
Neversink Farm Tool
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
Neversink Farm Tool
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
Seed Starting Supplies
Seed Starting Supply
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
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