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 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
Compost and Potting Soil
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
GreenTree Ag Blend™
out-of-stock
All-purpose blend, light on the peat, with coconut coir, worm castings and a well-balanced organic nutrient package. Suitable for seed starting, transplants and microgreens; Made in New York. 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. Transplant to a more nutrient-rich blend to grow out. Made in Maine. read more
Compost and Potting Soil
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. Also used as a mulch for container plants. Parboiled to eliminate viable weed seeds. read more
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
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
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
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
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 growing operations. Choose from a variety of blends. read more
Seed Starting
Seed Starting
Agritape Heat Mat 10ft
low stock
Provides extremely uniform precise temperature over its entire surface. Makes the difference between success and failure when starting starting crops of tropical ancestry. Controller sold separately. read more
Seed Starting
Provides extremely uniform precise temperature over its entire surface. Makes the difference between success and failure when starting starting crops of tropical ancestry. Controller sold separately. read more
Seed Starting
Everything a child or new grower needs to get started: soil, fertilizer, an EZ-Digger, seedling containers and plant labels, as well as growing instructions and seeds for a dozen easy crops. read more
Seed Starting
Controller thermostat to be used with Agritape heat mats. Each controller has a flexible 3' tube with a temperature-sensor bulb to insert into the potting soil. Heat mat sold separately read more
Fabric Pots 1 gal
clearance
These one-gallon plain round non-woven fabric pots provide great airflow and drainage. Fantastic for indoor growing, and can also be used outdoors. read more
Seed Starting
These 100-gallon plain round non-woven fabric pots provide great airflow and drainage for all your giant plants. Fantastic for indoor growing, and can also be used outdoors. read more
Fabric Pots 20 gal
clearance
These 20-gallon non-woven fabric pots have built-in handles, and provide great airflow and drainage. Fantastic for indoor growing, and can also be used outdoors. read more
These three-gallon plain round non-woven fabric pots provide great airflow and drainage. Fantastic for indoor growing, and can also be used outdoors. read more
Seed Starting
These 45-gallon plain round non-woven fabric pots provide great airflow and drainage for all your giant plants. Fantastic for indoor growing, and can also be used outdoors. read more
These 5-gallon non-woven fabric pots have built-in handles, and provide great airflow and drainage. Fantastic for indoor growing, and can also be used outdoors. 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. By popular request from our walk-in customers. read more
For years, customers and staff have requested a simple seed-storage system like this. The wait is over! It turns out our esteemed Fedco Lunchbox... 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 his before he had to order new ones. read more
Seed Starting
Like our standard 1020 trays, but with open mesh bottoms. Favored by many growers for soil block propagation, supporting plug flats, and hydroponic production. 2⅜" deep. read more
Seed Starting
Also known as Pro Trays. Made of lightweight black plastic with bottom drain holes. 50 round cells in a sheet, 1.88" wide, 2.31" deep, fits into standard 1020 Trays. read more
Seed Starting
Also known as Pro Trays. Made of lightweight black plastic with bottom drain holes. 72 round cells in a sheet, 1.50" wide, 2.31" deep, fits into standard 1020 Trays. read more
Seed Starting
Interested in growing your own seedlings but don’t know where to start? This kit is for you! Contains top-notch potting soil, a range of cell... read more
Seed Starting
Tired of cheap plastic six-packs that fade and crack? Then invest in these crush-proof break-proof melt-proof freeze-proof seedling containers made of rugged BPA-free FDA-approved silicone. read more
1020 Trays
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
These sturdy 11 x 22 x 2¾" khaki plastic trays will last for years and are strong enough to hold 50 2" soil blocks without strain. No drain holes. Holds 1020 trays and a host of others. read more
1020 Tray
These 7"-high domes that fit neatly over a standard 1020 tray. Two dial-type vents on the top of the dome allow you to manage the humidity. 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
10½ x 21 x 2¼" grey plastic trays, often called 1020 Trays. Good for windowsills because they have no drain holes. Use with domes to hold in heat and moisture. read more
CowPots
CowPot
Made in the U.S. from cow manure and a bit of recycled newsprint, nourishes the plant as it decomposes. Roots can grow right through the walls of the pot. 3" round, 3¼" tall read more
CowPot
Made in the U.S. from cow manure and a bit of recycled newsprint, nourishes the plant as it decomposes. Roots can grow right through the walls of the pot. 3" square, 3" tall. read more
CowPot
Made in the U.S. from cow manure and a bit of recycled newsprint, nourishes the plant as it decomposes. Roots can grow right through the walls of the pot. 4" square, 4⅜" tall. read more
CowPot
Made in the U.S. from cow manure and a bit of recycled newsprint, nourishes the plant as it decomposes. Roots can grow right through the walls of the pot. Six-packs of 3" squares, 3" tall. read more
Jiffy Pots
Jiffy Pot
Peat pots. Just the right size for tomatoes, brassicas and melons. Can be put directly in the ground without disturbing seedlings. 3" round, 3¼" tall. 18 fit in a standard 1020 Tray. read more
Square peat pots can be packed more tightly than round ones. Can be put directly in the ground without disturbing seedlings. 3" square, 3⅛" tall. 18 fit in a standard 1020 Tray. read more
Jiffy Pot
Peat pots. Bigger pots for squashes and other late-season plants. Can be put directly in the ground without disturbing seedlings. 4½" round, 4" tall. 14 fit in a standard 1020 Tray. read more
Ladbrooke
Makes 20 micro-blocks per stroke in a 3x4" area. Micro-blocks are easier to warm, speeding germination. Can be inserted into 2" soil blocks to continue seedling growth. read more
Make 2" soil blocks ready to receive micro-blocks to continue seedling growth. Set of square plastic inserts can be snapped into Mini 4 or Multi 12 blockers. read more
Makes four 2" soil blocks in one stroke. Using soil blocks allows for easy transplanting and eliminates root spiraling. Made in England by Ladbrooke Ltd. read more
Makes five 1½" soil blocks in one stroke. Using soil blocks allows for easy transplanting and eliminates root spiraling. Made in England by Ladbrooke Ltd. read more
Neversink Farm
Neversink Farm
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
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
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
These trays offer the best features of both plug flats and soil blockers, and then some! Extremely durable recycled plastic is food grade, BPA-free and UV-resistant. Made in the USA. read more
Neversink Farm
These trays offer the best features of both plug flats and soil blockers, and then some! Extremely durable recycled plastic is food grade, BPA-free and UV-resistant. Made in the USA. read more
Neversink Farm
These trays offer the best features of both plug flats and soil blockers, and then some! Extremely durable recycled plastic is food grade, BPA-free and UV-resistant. Made in the USA. read more