Seed Starting Supplies

ships year-round

Potting Media - Seed Starting Supplies

Use this complete soil mix in Fabric Pots to take your cannabis plants from 12" to harvest. Contains a wide variety of organic fertilizers, including biochar to support microbial activity. read more

ships year-round

Coir Blocks

Potting Media - Seed Starting Supplies

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

ships year-round

Dirtcraft Peat-Free Critical Mass Supersoil

Potting Media - Seed Starting Supplies

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. read more

ships year-round

Dirtcraft Peat-Free Levitation Seedling Mix

Potting Media - Seed Starting Supplies

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. read more

ships year-round

Living Acres NP Germination Blend™

Potting Media - Seed Starting Supplies

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

ships year-round

Peat-free Turbo Seed Starter

Potting Media - Seed Starting Supplies

out-of-stock, substitute 8364.

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. read more

ships year-round

Perlite

Potting Media - Seed Starting Supplies

A lightweight, porous and stable material made from volcanic glass. Widely used in potting mixes to improve water retention and prevent compaction. Also great for rooting cuttings. read more

ships year-round

Rice Hulls

Potting Media - Seed Starting Supplies

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

ships year-round

Vermont Compost Fort Light™ Potting Soil

Potting Media - Seed Starting Supplies

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

ships year-round

Vermont Compost Fort Vee™ Potting Soil

Potting Media - Seed Starting Supplies

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

ships year-round

Vermont Compost Jolly Roger™

Potting Media - Seed Starting Supplies

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

ships year-round

Vermont Compost Pallets of Bags

Potting Media - Seed Starting Supplies

For the times when a few bags just won't cut it, Vermont Compost blends are available in full pallets of 45-quart bags (36 bags per pallet). read more

ships year-round

Vermont Compost Perennial Blend™

Potting Media - Seed Starting Supplies

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

ships year-round

Vermont Compost Totes

Potting Media - Seed Starting Supplies

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

ships year-round

Ladbrooke Micro 20 Soil Blocker

Soil Blocking - Seed Starting Supplies

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

ships year-round

Ladbrooke Micro Soil Blocker Inserts

Soil Blocking - Seed Starting Supplies

These 4 inserts are meant to be snapped into a Mini 4 Blocker, to make cube-shaped pockets in your 2" soil blocks, so that they can receive ¾" micro-blocks made by the Micro 20 Blocker. read more

ships year-round

Ladbrooke Mini 4 Soil Blocker

Soil Blocking - Seed Starting Supplies

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

ships year-round

Ladbrooke Mini 5 Soil Blocker

Soil Blocking - Seed Starting Supplies

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

ships year-round

Ladbrooke Multi 35 Soil Blocker

Soil Blocking - Seed Starting Supplies

With each stroke, this stand-up soil blocker makes 35 blocks, each a 1⅛" cube with a dibble. We especially love how the sets of blocks fit... read more

ships year-round

Black 5" Heavy-Duty Microgreen Trays

Seed Starting Supplies

Strong injection-molded dishwasher-safe trays with drain holes for efficient production of high-quality microgreens, wheatgrass or specialty seedlings. Eight fit neatly in a standard 1020 flat. read more

ships year-round

Black Mega-Duty Bottom Tray

Seed Starting Supplies

low stock

These puppies can support up to 120 lb! The plastic is very thick yet supple, with reinforced lip for safe and easy carrying. No drainage holes. read more

ships year-round

Black Shallow Heavy-Duty Bottom Tray without Drain Holes

Seed Starting Supplies

Sturdy shallow-rimmed injection-molded bottom trays with 1" of usable depth are a must-have for growing microgreens, and great support for pots and plug flats. read more

ships year-round

Black Shallow Heavy-Duty Bottom Trays with Drain Holes

Seed Starting Supplies

Sturdy shallow-rimmed injection-molded bottom trays with 1" of usable depth are a must-have for growing microgreens, and great support for pots and plug flats. read more

ships year-round

Black Shallow Heavy-Duty Mesh Tray

Seed Starting Supplies

Same strong mesh as the Deep Heavy-Duty Mesh Trays, but with a 1" profile. Great for growing full flats of microgreens and for soil blocks! read more

ships year-round

Blue 5" Heavy-Duty Microgreen Trays

Seed Starting Supplies

Strong injection-molded dishwasher-safe trays with drain holes for efficient production of high-quality microgreens, wheatgrass or specialty seedlings. Eight fit neatly in a standard 1020 flat. read more

ships year-round

Blue Mega-Duty Bottom Tray

Seed Starting Supplies

These puppies can support up to 120 lb! The plastic is very thick yet supple, with reinforced lip for safe and easy carrying. No drainage holes. read more

ships year-round

Blue Shallow Heavy-Duty Bottom Trays with Drain Holes

Seed Starting Supplies

Sturdy shallow-rimmed injection-molded bottom trays with 1" of usable depth are a must-have for growing microgreens, and great support for pots and plug flats. read more

ships year-round

Blue Shallow Heavy-Duty Mesh Tray

Seed Starting Supplies

Same strong mesh as the Deep Heavy-Duty Mesh Trays, but with a 1" profile. Great for growing full flats of microgreens and for soil blocks! read more

ships year-round

Deep Heavy-Duty Mesh Trays

Seed Starting Supplies

We’ve never seen mesh bottom trays as sturdy or sleek as SUNPACK makes them. Rapid drainage and ample airflow make these an excellent choice for soil blocks large or small. read more

ships year-round

Green 5" Heavy-Duty Microgreen Trays

Seed Starting Supplies

Strong injection-molded dishwasher-safe trays with drain holes for efficient production of high-quality microgreens, wheatgrass or specialty seedlings. Eight fit neatly in a standard 1020 flat. read more

ships year-round

Green Mega-Duty Bottom Tray

Seed Starting Supplies

These puppies can support up to 120 lb! The plastic is very thick yet supple, with reinforced lip for safe and easy carrying. No drainage holes. read more

ships year-round

Green Shallow Heavy-Duty Bottom Trays with Drain Holes

Seed Starting Supplies

Sturdy shallow-rimmed injection-molded bottom trays with 1" of usable depth are a must-have for growing microgreens, and great support for pots and plug flats. read more

ships year-round

Green Shallow Heavy-Duty Mesh Tray

Seed Starting Supplies

Same strong mesh as the Deep Heavy-Duty Mesh Trays, but with a 1" profile. Great for growing full flats of microgreens and for soil blocks! read more

ships year-round

Indestructible Bottom Trays

Seed Starting Supplies

Thick flexible plastic tray with a rim that is sturdy and easy to handle. We’ve never seen a sturdier tray! Works with standard 1020 trays. No drain holes. read more

ships year-round

Lime 5" Heavy-Duty Microgreen Trays

Seed Starting Supplies

Strong injection-molded dishwasher-safe trays with drain holes for efficient production of high-quality microgreens, wheatgrass or specialty seedlings. Eight fit neatly in a standard 1020 flat. read more

ships year-round

Lime Mega-Duty Bottom Tray

Seed Starting Supplies

These puppies can support up to 120 lb! The plastic is very thick yet supple, with reinforced lip for safe and easy carrying. No drainage holes. read more

ships year-round

Lime Shallow Heavy-Duty Bottom Trays with Drain Holes

Seed Starting Supplies

Sturdy shallow-rimmed injection-molded bottom trays with 1" of usable depth are a must-have for growing microgreens, and great support for pots and plug flats. read more

ships year-round

Lime Shallow Heavy-Duty Mesh Tray

Seed Starting Supplies

Same strong mesh as the Deep Heavy-Duty Mesh Trays, but with a 1" profile. Great for growing full flats of microgreens and for soil blocks! read more

ships year-round

Magenta 5" Heavy-Duty Microgreen Trays

Seed Starting Supplies

Strong injection-molded dishwasher-safe trays with drain holes for efficient production of high-quality microgreens, wheatgrass or specialty seedlings. Eight fit neatly in a standard 1020 flat. read more

ships year-round

Magenta Mega-Duty Bottom Tray

Seed Starting Supplies

These puppies can support up to 120 lb! The plastic is very thick yet supple, with reinforced lip for safe and easy carrying. No drainage holes. read more

ships year-round

Magenta Shallow Heavy-Duty Bottom Trays with Drain Holes

Seed Starting Supplies

Sturdy shallow-rimmed injection-molded bottom trays with 1" of usable depth are a must-have for growing microgreens, and great support for pots and plug flats. read more

ships year-round

Magenta Shallow Heavy-Duty Mesh Tray

Seed Starting Supplies

Same strong mesh as the Deep Heavy-Duty Mesh Trays, but with a 1" profile. Great for growing full flats of microgreens and for soil blocks! read more

ships year-round

Mesh Bottom Trays

Seed Starting Supplies

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

ships year-round

Mixed Color Bundle Mega-Duty Bottom Trays

Seed Starting Supplies

These puppies can support up to 120 lb! The plastic is very thick yet supple, with reinforced lip for safe and easy carrying. No drainage holes. read more

ships year-round

Multicolor Bundle of Shallow Heavy-Duty Mesh Trays

Seed Starting Supplies

Same strong mesh as the Deep Heavy-Duty Mesh Trays, but with a 1" profile. Great for growing full flats of microgreens and for soil blocks! read more

ships year-round

Orange 5" Heavy-Duty Microgreen Trays

Seed Starting Supplies

Strong injection-molded dishwasher-safe trays with drain holes for efficient production of high-quality microgreens, wheatgrass or specialty seedlings. Eight fit neatly in a standard 1020 flat. read more

ships year-round

Orange Mega-Duty Bottom Tray

Seed Starting Supplies

These puppies can support up to 120 lb! The plastic is very thick yet supple, with reinforced lip for safe and easy carrying. No drainage holes. read more

ships year-round

Orange Shallow Heavy-Duty Bottom Trays with Drain Holes

Seed Starting Supplies

Sturdy shallow-rimmed injection-molded bottom trays with 1" of usable depth are a must-have for growing microgreens, and great support for pots and plug flats. read more

ships year-round

Orange Shallow Heavy-Duty Mesh Tray

Seed Starting Supplies

Same strong mesh as the Deep Heavy-Duty Mesh Trays, but with a 1" profile. Great for growing full flats of microgreens and for soil blocks! read more

ships year-round

Plant Trays with Drain Holes

Seed Starting Supplies

10½ x 21 x 2¼" grey plastic trays, often called 1020 Trays. Use with a dome to hold in heat and moisture. read more