Seed Starting Supplies

Grow your own transplants from seeds, and you enter a whole new world of flowers, vegetables, and herbs. You choose from your favorite varieties, appropriate planting date, and number of plants. Johnny's seed starting supplies will help you grow your own professional-quality seedlings economically.


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Medium 4 Soil Blocker - 4 Blocks

Product ID: 9527

Tools and Supplies > Seed Starting Supplies > Soil Block Makers

In stock

Make your own seed-starting blocks.

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Soil Blocker - 4 Medium Soil Blocks

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Hand Seed Sower

Product ID: 9136

Tools and Supplies > Seed Starting Supplies

In stock

Our seed lab's favorite!

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Hand Seed Sower

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Leak-Proof Trays - 5 Pk

Product ID: 9514

Tools and Supplies > Seed Starting Supplies > Seed Trays

In stock

The standard 1020 greenhouse flat without drainage slots.

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Leak-Proof Trays - 5 Pk

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Mini 20 Soil Blocker - 20 Blocks

Product ID: 9528

Tools and Supplies > Seed Starting Supplies > Soil Block Makers

In stock

Up to 35% off. Make your own seed-starting blocks.

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Soil Blocker - 20 Mini Soil Blocks

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CowPots™, 4" - 20 Pk

Product ID: 9426

Tools and Supplies > Seed Starting Supplies > Biodegradable Pots

In stock

New last year! Eco-friendly CowPots™ are a nutrient rich, renewable, American product made from recycled cow manure - as seen on TV's Dirty Jobs!

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CowPots™, 4

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Soil Blocker Insert Set

Product ID: 9529

Tools and Supplies > Seed Starting Supplies > Soil Block Makers

In stock

Fits all sizes of the Stand-up Commercial Soil Blockers as well as the Medium 4-Block Maker.

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Soil Blocker Insert Set

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Mini Square Plastic Pots - Pack of 18 Pots

Product ID: 9510

Tools and Supplies > Seed Starting Supplies > Plastic Pots

In stock

For big, stocky transplants.

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Mini Square Plastic Pots - Pack of 18 Pots

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CowPots™, 3" - 20 Pk

Product ID: 9424

Tools and Supplies > Seed Starting Supplies > Biodegradable Pots

In stock

New last year! Eco-friendly CowPots™ are a nutrient rich, renewable, American product made from recycled cow manure - as seen on TV's Dirty Jobs!

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CowPots™, 3

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Hydrofarm Seedling Heat Mat (20" x 48")

Product ID: 9626

Tools and Supplies > Seed Starting Supplies > Heating Mats

In stock

New last year! Warms seed flats for improved germination.

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Hydrofarm Seedling Heat Mat - 20

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Soil Block Propagation Trays - Pkg. of 5

Product ID: 9397

Tools and Supplies > Seed Starting Supplies > Seed Trays

In stock

New! These wide-mesh bottom trays are ideal for soil block propagation.

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Soil Block Propagation Trays - Pkg. of 5

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Johnny's 512 Mix (OG) - 60 Quarts

Product ID: 9228

Tools and Supplies > Seed Starting Supplies > Germination and Growing Mixes

In stock

Our custom designed seed starting mix.

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Johnny's 512 Mix (OG) - 60 Quarts

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Plug Flats - 50 Cells/Flat - 5 Pk

Product ID: 9498

Tools and Supplies > Seed Starting Supplies > Cell Flats

In stock

Designed for fresh market growers. Square cells.

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Plug Flats - 50 Cells/Flat - 5 Pk

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Hydrofarm Seedling Heat Mat (9" x 19½")

Product ID: 9580

Tools and Supplies > Seed Starting Supplies > Heating Mats

In stock

Warms seed flats for improved germination.

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Hydrofarm Seedling Heat Mat - 9

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Johnny's 512 Mix (OG) - 20 Quarts

Product ID: 9227

Tools and Supplies > Seed Starting Supplies > Germination and Growing Mixes

In stock

Our custom designed seed starting mix.

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Johnny's 512 Mix (OG) - 20 Quarts

Quantity:
 
 
Clear Acrylic Domes - Box of 5 Domes

Product ID: 9519

Tools and Supplies > Seed Starting Supplies

In stock

Holds moisture and warmth for germination.

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Clear Acrylic Domes - Box of 5 Domes

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