Seed Starting Supplies | Johnny's Selected Seeds

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Johnny's offers all the seed-starting and propagation supplies you need to grow your own professional-quality seedlings with efficiency. Growing your own transplants from seed provides greater control over the growing season, from start to finish, by allowing you to choose your favorite varieties, select specific planting and transplanting dates, and produce the quantities of plants you need.

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252 Products

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Seed Plate B36 Seed Starting Supplies

Seed Plate B36

Precision Vacuum Seeder Accessory

36 medium plain holes (not countersunk), size B.

Seed Plate A200 Seed Starting Supplies

Seed Plate A200

Precision Vacuum Seeder Accessory

200 large countersunk holes, size A.

Seed Plate C72 Seed Starting Supplies

Seed Plate C72

Precision Vacuum Seeder Accessory

72 small plain holes (not countersunk), size C.

Seed Plate E288 Seed Starting Supplies

Seed Plate E288

Precision Vacuum Seeder Accessory

288 large plain holes (not countersunk), size E.

Seed Plate B288 Seed Starting Supplies

Seed Plate B288

Precision Vacuum Seeder Accessory

288 medium plain holes (not countersunk), size B.

Seed Plate E128 Seed Starting Supplies

Seed Plate E128

Precision Vacuum Seeder Accessory

128 large plain holes (not countersunk), size E.

Seed Plate A288 Seed Starting Supplies

Seed Plate A288

Precision Vacuum Seeder Accessory

288 large countersunk holes, size A.

Seed Plate E50 Seed Starting Supplies

Seed Plate E50

Precision Vacuum Seeder Accessory

50 large plain holes (not countersunk), size E.

Seed Plate A128 Seed Starting Supplies

Seed Plate A128

Precision Vacuum Seeder Accessory

128 large countersunk holes, size A.

Seed Plate C36 Seed Starting Supplies

Seed Plate C36

Precision Vacuum Seeder Accessory

36 small plain holes (not countersunk), size C.

Seed Plate E36 Seed Starting Supplies

Seed Plate E36

Precision Vacuum Seeder Accessory

36 large plain holes (not countersunk), size E.

Seed Plate A36 Seed Starting Supplies

Seed Plate A36

Precision Vacuum Seeder Accessory

36 large countersunk holes, size A.

Seed Plate E200 Seed Starting Supplies

Seed Plate E200

Precision Vacuum Seeder Accessory

200 large plain holes (not countersunk), size E.

Seed Plate C200 Seed Starting Supplies

Seed Plate C200

Precision Vacuum Seeder Accessory

200 small plain holes (not countersunk), size C.

Seed Plate B128 Seed Starting Supplies

Seed Plate B128

Precision Vacuum Seeder Accessory

128 medium plain holes (not countersunk), size B.

Seed Plate D50 Seed Starting Supplies

Seed Plate D50

Precision Vacuum Seeder Accessory

50 medium countersunk holes, size D.

Seed Plate D128 Seed Starting Supplies

Seed Plate D128

Precision Vacuum Seeder Accessory

128 medium countersunk holes, size D.

Seed Plate B200 Seed Starting Supplies

Seed Plate B200

Precision Vacuum Seeder Accessory

200 medium plain holes (not countersunk), size B.

Seed Plate E72 Seed Starting Supplies

Seed Plate E72

Precision Vacuum Seeder Accessory

72 large plain holes (not countersunk), size E.

Seed Plate D288 Seed Starting Supplies

Seed Plate D288

Precision Vacuum Seeder Accessory

288 medium countersunk holes, size D.

Seed Plate B50 Seed Starting Supplies

Seed Plate B50

Precision Vacuum Seeder Accessory

50 medium plain holes (not countersunk), size B.

Seed Plate B72 Seed Starting Supplies

Seed Plate B72

Precision Vacuum Seeder Accessory

72 medium plain holes (not countersunk), size B.

Seed Plate A50 Seed Starting Supplies

Seed Plate A50

Precision Vacuum Seeder Accessory

50 large countersunk holes, size A.

Seed Plate A72 Seed Starting Supplies

Seed Plate A72

Precision Vacuum Seeder Accessory

72 large countersunk holes, size A.

Seed Plate D36 Seed Starting Supplies

Seed Plate D36

Precision Vacuum Seeder Accessory

36 medium countersunk holes, size D.

Seed Plate C50 Seed Starting Supplies

Seed Plate C50

Precision Vacuum Seeder Accessory

50 small plain holes (not countersunk), size C.

Seed Plate C288 Seed Starting Supplies

Seed Plate C288

Precision Vacuum Seeder Accessory

288 small plain holes (not countersunk), size C.

Snap-in Square Dibbles Soil Blocking

Snap-in Square Dibbles

Soil Blocker Accessory

Create square indents for potting-up mini blocks.

Skimming Trowel Soil Blocking

Skimming Trowel

Soil Blocker Accessory

Easily level soil in Soil Blocker grids.

Standard Dibbles Soil Blocking

Standard Dibbles

Soil Blocker Accessory

Use with soil blockers to create dibbled holes for smaller seeds.

NanoDome – Single Grow Lights and Carts

NanoDome – Single

LED or T5HO Strip Light Accessory

Humidity dome with groove for resting a grow light.

Soil Block Propagation Trays – 5 Count Trays, Domes, and Flats

Soil Block Propagation Trays – 5 Count

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

Soil Blocking and Potting Tray Soil Blocking

Soil Blocking and Potting Tray

Our favorite for making perfect soil blocks.

Long Dibbles Soil Blocking

Long Dibbles

Soil Blocker Accessory

Use with soil blockers to create dibbled holes for seeds or cuttings.

Tray Shelf Soil Blocking

Tray Shelf

Keeps all your essential potting items conveniently at arm's reach.

Light Timer Grow Lights and Carts

Light Timer

Precise lighting control for your indoor growing space.