Seed Starting Supplies

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Biodegradable Pot - Seed Starting Supplies

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

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CowPots™ 3" Square

Biodegradable Pot - Seed Starting Supplies

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

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CowPots™ 4" Square

Biodegradable Pot - Seed Starting Supplies

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

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CowPots™ Six-Pack

Biodegradable Pot - Seed Starting Supplies

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

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Jiffy® Pots 3" Round

Biodegradable Pot - Seed Starting Supplies

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

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Jiffy® Pots 3" Square

Biodegradable Pot - Seed Starting Supplies

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

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Jiffy® Pots 4½" Round

Biodegradable Pot - Seed Starting Supplies

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

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Kord® Fiber Grow Garden Paks

Biodegradable Pot - Seed Starting Supplies

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

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Mini Wini Large-cell Tray

Cell Tray - Seed Starting Supplies

All the great features of the full-sized winstrip trays, but sized for smaller plantings. Each tray has 10 cells, with cell size of 1.6" wide x 2.72" deep. 5 will fit in one 1020 tray. read more

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Mini Wini Medium-cell Tray

Cell Tray - Seed Starting Supplies

All the great features of the full-sized winstrip trays, but sized for smaller plantings. Each tray has six 1.3" wide x 2.3" deep cells. 12 will fit in one 1020 tray. read more

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Mini Wini Small-cell Tray

Cell Tray - Seed Starting Supplies

All the great features of the full-sized winstrip trays, but sized for smaller plantings. Each tray has 16 cells, with cell size of 1" wide x 1.9" deep. 8 will fit in one 1020 tray. read more

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Plug Flats, 50 cell

Cell Tray - Seed Starting Supplies

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

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Plug Flats, 72 cell

Cell Tray - Seed Starting Supplies

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

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Silicone Six-Pack Trays

Cell Tray - Seed Starting Supplies

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

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Six-packs

Cell Tray - Seed Starting Supplies

low stock

Convenient tear-apart plastic containers. 6 cells to a pack, 6 packs to a sheet. Sheet fits easily into a 1020 Tray. Great for selling seedlings. read more

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Winstrip Air Pruning Tray, 128-cell

Cell Tray - Seed Starting Supplies

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

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Winstrip Air Pruning Tray, 50 cell

Cell Tray - Seed Starting Supplies

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

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Winstrip Air Pruning Tray, 72 cell

Cell Tray - Seed Starting Supplies

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

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Domes

Seed Starting Supplies

Clear plastic raised covers, approximately 2" high, fit over 1020 Trays to create a miniature greenhouse environment for seedlings. Keep the soil from drying out to speed and improve germination. read more

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Heavy Duty Domes

Seed Starting Supplies

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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High Domes

Seed Starting Supplies

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

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High Domes with Light Tracks

Seed Starting Supplies

The tops of these 7" tall domes neatly accept both LED and T5 grow lights. Adjustable top vents let you dial in precise humidity control. Sturdier than most domes on the market. read more

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Fabric Transplant Pot

Seed Starting Supplies

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

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18" LED Strip Grow Light

Grow Lights - Seed Starting Supplies

These energy-efficient LEDs provide high-output full-spectrum lighting while saving loads of electricity. Integrated fixture with built-in reflector is ready to use. read more

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24" Grow Light Stand

Grow Lights - Seed Starting Supplies

Lightweight, strong, and user-friendly light stand with a powder-coated finish to repel moisture and prevent rust. read more

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24" LED Strip Grow Lights

Seed Starting Supplies

These energy-efficient LEDs provide high-output full-spectrum lighting while saving loads of electricity. Integrated fixture with built-in reflector is ready to use. read more

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48" Grow Light Stand

Grow Lights - Seed Starting Supplies

Lightweight, strong, and user-friendly light stand with a powder-coated finish to repel moisture and prevent rust. read more

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48" LED Strip Grow Lights

Seed Starting Supplies

These energy-efficient LEDs provide high-output full-spectrum lighting while saving loads of electricity. Integrated fixture with built-in reflector is ready to use. read more

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Adjustable Hanger for Grow Lights

Seed Starting Supplies

A handy hanger to suspend grow lights from a cart, shelf, or other structure. The ratcheting hangers are easy to adjust to the perfect height. 75-lb load capacity. read more

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LED Strip Grow Light Connector

Grow Lights - Seed Starting Supplies

A handy doodad that links two LED Strip Grow Lights end-to-end and in-line. read more

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Children’s Grow Kit

Growing Kit - Seed Starting Supplies

Everything a child or budding grower needs to get started: potting soil, fertilizer, seedling containers and plant labels, as well as growing instructions and seeds for 8 easy crops. read more

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Garden Seed Storage Kit

Growing Kit - Seed Starting Supplies

This lightweight metal box is just the right size for neatly filing our standard-sized seed packets. Perfectly portable. Comes with dividers, seed storage reference chart, and a handy handbook. read more

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Seed Starting Success Kit

Growing Kit - Seed Starting Supplies

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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Agritape Heat Mat 10ft

Seed Starting Supplies

Provides extremely uniform precise temperature over its entire surface. Makes the difference between success and failure when starting crops of tropical ancestry. Controller sold separately. read more

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Agritape Heat Mat 4ft

Seed Starting Supplies

Provides extremely uniform precise temperature over its entire surface. Makes the difference between success and failure when starting crops of tropical ancestry. Controller sold separately. read more

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Controller Thermostat for Agritape Heat Mat

Seed Starting Supplies

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

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Long SunPad Heat Mat

Seed Starting Supplies

Warm the root zone for seedling success! The patented double-layer construction is tough, waterproof and easy to clean. Can be used with or without a controller. Fits four standard 1020 trays. read more

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Medium SunPad Heat Mat

Seed Starting Supplies

Warm the root zone for seedling success! The patented double-layer construction is tough, waterproof and easy to clean. Can be used with or without a controller. Fits two standard 1020 trays. read more

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Small SunPad Heat Mat

Seed Starting Supplies

Warm the root zone for seedling success! The patented double-layer construction is tough, waterproof and easy to clean. Can be used with or without a controller. Fits one standard 1020 tray. read more

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SunPad Pro Add-On Mat

Heat Mat - Seed Starting Supplies

Extend the capacity of your SunPad pro setup! These add-on mats each hold five standard 1020 trays and can be daisy-chained from the Master Mat for up to 5 linked mats. read more

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SunPad Pro Master Mat

Heat Mat - Seed Starting Supplies

All the performance and safety features of SUNPACK’s standard heat mats, but with more power, larger size, linkability, and submersibility! Each 150W mat can accommodate five 1020 trays. read more

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Temperature Controller for Heat Mats

Seed Starting Supplies

Digital thermostatic device allows growers to select and maintain optimal temperatures (setting range: 68–108°) for germinating seeds or rooting cuttings. Works with most 120V heat mats. read more

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Black 2½" Heavy-Duty Square Pots

Seed Starting Supplies

Strong injection-molded dishwasher-safe pots have efficient drainage holes, are easy to fill with potting mix, and are easy to extract seedlings from. read more

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Blue 2½" Heavy-Duty Square Pots

Seed Starting Supplies

Strong injection-molded dishwasher-safe pots have efficient drainage holes, are easy to fill with potting mix, and are easy to extract seedlings from. read more

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Green 2½" Heavy-Duty Square Pots

Seed Starting Supplies

Strong injection-molded dishwasher-safe pots have efficient drainage holes, are easy to fill with potting mix, and are easy to extract seedlings from. read more

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Lime 2½" Heavy-Duty Square Pots

Seed Starting Supplies

Strong injection-molded dishwasher-safe pots have efficient drainage holes, are easy to fill with potting mix, and are easy to extract seedlings from. read more

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Magenta 2½" Heavy-Duty Square Pots

Seed Starting Supplies

Strong injection-molded dishwasher-safe pots have efficient drainage holes, are easy to fill with potting mix, and are easy to extract seedlings from. read more

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Mixed Colors 2½" Heavy-Duty Square Pots

Seed Starting Supplies

Strong injection-molded dishwasher-safe pots have efficient drainage holes, are easy to fill with potting mix, and are easy to extract seedlings from. read more

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Orange 2½" Heavy-Duty Square Pots

Seed Starting Supplies

Strong injection-molded dishwasher-safe pots have efficient drainage holes, are easy to fill with potting mix, and are easy to extract seedlings from. read more