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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245 Products

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Polypro Endurance Deep Tray (No Holes), Red – 24 Count Support Trays

Polypro Endurance Deep Tray (No Holes), Red – 24 Count

Johnny's thickest wall trays.

Polypro Shallow Tray (With Holes), Blue – 24 Count Support Trays

Polypro Shallow Tray (With Holes), Blue – 24 Count

Solid shallow trays with holes (for drainage).

Seed Plate D200 Seed Starting Supplies

Seed Plate D200

Precision Vacuum Seeder Accessory

200 medium countersunk holes, size D.

50 Cell Plug Flats – 100 Count Cell Flats

50 Cell Plug Flats – 100 Count

Designed for fresh market growers. Square cells.

Polypro Shallow Tray (With Holes), Blue – 4 Count Support Trays

Polypro Shallow Tray (With Holes), Blue – 4 Count

Solid shallow trays with holes (for drainage).

Polypro 5x5 Insert Pots – Red, 24 Count Plastic Pots

Polypro 5x5 Insert Pots – Red, 24 Count

Resilient and reusable.

36 Cell Fertil Pots Strip – 144 Count Seed Starting Supplies

36 Cell Fertil Pots Strip – 144 Count

100% organic, OMRI Listed® biodegradable pots.

200 Cell Plug Flats – 50 Count Cell Flats

200 Cell Plug Flats – 50 Count

Designed for fresh market growers. Square cells.

6-Cell Stand-up Soil Blocker Soil Blocking

6-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

72 Cell Plug Flats – 100 Count Cell Flats

72 Cell Plug Flats – 100 Count

Designed for fresh market growers. Square cells.

Lightweight Shallow Trays (with Holes) – 100 Count Support Trays

Lightweight Shallow Trays (with Holes) – 100 Count

Slots for uniform drainage.

Connector Set LED

Connector Set

Johnny's Modular LED Grow Light Cart Accessory

Locks two Johnny's Modular LED Grow Light Carts together.

2" Clear Acrylic Domes – 50 Count Humidity Domes

2" Clear Acrylic Domes – 50 Count

Holds moisture and warmth for germination.

7" Clear Propagation Domes – 25 Count Humidity Domes

7" Clear Propagation Domes – 25 Count

Create the perfect healing chamber for grafted tomatoes.

Seed Plate A72 Seed Starting Supplies

Seed Plate A72

Precision Vacuum Seeder Accessory

72 large countersunk holes, size A.

20-Cell Stand-up Soil Blocker Soil Blocking

20-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

Polypro Mesh Shallow Tray, Black – 24 Count Support Trays

Polypro Mesh Shallow Tray, Black – 24 Count

Durable trays for support and drainage.

LED Strip Light – 48" Grow Lights and Carts

LED Strip Light – 48"

Design your own custom seedling growing space.

Seed Plate D72 Seed Starting Supplies

Seed Plate D72

Precision Vacuum Seeder Accessory

72 medium countersunk holes, size D.

Polypro Mesh Deep Tray, Black – 24 Count Support Trays

Polypro Mesh Deep Tray, Black – 24 Count

Durable trays for support and drainage.

Seed Plate C50 Seed Starting Supplies

Seed Plate C50

Precision Vacuum Seeder Accessory

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

Seed Plate D36 Seed Starting Supplies

Seed Plate D36

Precision Vacuum Seeder Accessory

36 medium countersunk holes, size D.

Pro-Tray 38 Cell Flats – 100 Count Cell Flats

Pro-Tray 38 Cell Flats – 100 Count

For home and market gardeners. Round cells.

Seed Plate E200 Seed Starting Supplies

Seed Plate E200

Precision Vacuum Seeder Accessory

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

Polypro Shallow Tray (With Holes), Multi – 6 Count Support Trays

Polypro Shallow Tray (With Holes), Multi – 6 Count

Solid shallow trays with holes (for drainage).

20-Row Seed Flats – 50 Count Cell Flats

20-Row Seed Flats – 50 Count

Ideal for seed starting.

Seed Plate D264 Vacuum

Seed Plate D264

Paperpot Vacuum Seeder Accessory

264 medium countersunk holes, size D.

Seed Plate D50 Seed Starting Supplies

Seed Plate D50

Precision Vacuum Seeder Accessory

50 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 A288 Seed Starting Supplies

Seed Plate A288

Precision Vacuum Seeder Accessory

288 large countersunk holes, size A.

Polypro Shallow Tray (With Holes), Red – 24 Count Support Trays

Polypro Shallow Tray (With Holes), Red – 24 Count

Solid shallow trays with holes (for drainage).

Seed Plate C128 Seed Starting Supplies

Seed Plate C128

Precision Vacuum Seeder Accessory

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

Seed Plate C72 Seed Starting Supplies

Seed Plate C72

Precision Vacuum Seeder Accessory

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

Seed Plate A128 Seed Starting Supplies

Seed Plate A128

Precision Vacuum Seeder Accessory

128 large countersunk holes, size A.

NanoDome – 25 Count Grow Lights and Carts

NanoDome – 25 Count

LED or T5HO Strip Light Accessory

Humidity dome with groove for resting a grow light.

2 1/3" Round Fertil Pots – 3,000 Count Biodegradable Pots

2 1/3" Round Fertil Pots – 3,000 Count

100% organic, OMRI Listed® biodegradable pots.