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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251 Products

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Seed Plate C200 Seed Starting Supplies

Seed Plate C200

Precision Vacuum Seeder Accessory

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

Seed Plate D50 Seed Starting Supplies

Seed Plate D50

Precision Vacuum Seeder Accessory

50 medium countersunk holes, size D.

Seed Plate B128 Seed Starting Supplies

Seed Plate B128

Precision Vacuum Seeder Accessory

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

Seed Plate C50 Seed Starting Supplies

Seed Plate C50

Precision Vacuum Seeder Accessory

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

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

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

Solid shallow trays with holes (for drainage).

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.

Seed Plate C264 Vacuum

Seed Plate C264

Paperpot Vacuum Seeder Accessory

264 small plain holes, size C.

Replacement Blades Seed Starting Supplies

Replacement Blades

Grafting Knife Accessory

For the 7172 Miter-Cut Grafting Knife.

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

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

Solid shallow trays with holes (for drainage).

Seed Plate B288 Seed Starting Supplies

Seed Plate B288

Precision Vacuum Seeder Accessory

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

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.

Link Cord – 24" Grow Lights and Carts

Link Cord – 24"

LED or T5HO Strip Light Accessory

Add on to your strip lights for more growing space.

Seed Plate A72 Seed Starting Supplies

Seed Plate A72

Precision Vacuum Seeder Accessory

72 large countersunk holes, size A.

Seed Plate D128 Seed Starting Supplies

Seed Plate D128

Precision Vacuum Seeder Accessory

128 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.

Magnifier Seed Starting Supplies

Magnifier

Vibro Hand Seeder Accessory

For use with Vibro Hand Seeder only.

Seed Plate A264 Vacuum

Seed Plate A264

Paperpot Vacuum Seeder Accessory

264 large countersunk holes, size A.

7294/7295 Replacement LED Tube – 48", 1 Count LED

7294/7295 Replacement LED Tube – 48", 1 Count

Replacement tube for #7294 and #7295 light carts.

Seed Plate E264 Vacuum

Seed Plate E264

Paperpot Vacuum Seeder Accessory

264 large plain holes, size E.

Seed Plate D36 Seed Starting Supplies

Seed Plate D36

Precision Vacuum Seeder Accessory

36 medium countersunk holes, size D.

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 C288 Seed Starting Supplies

Seed Plate C288

Precision Vacuum Seeder Accessory

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

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).

LED Strip Light – 48" Grow Lights and Carts

LED Strip Light – 48"

Design your own custom seedling growing space.

Seed Plate B200 Seed Starting Supplies

Seed Plate B200

Precision Vacuum Seeder Accessory

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

Power Supply Adapter Seed Starting Supplies

Power Supply Adapter

Vibro Hand Seeder Accessory

120 Volt AC power converter for the Vibro Hand Seeder.

Seed Plate D288 Seed Starting Supplies

Seed Plate D288

Precision Vacuum Seeder Accessory

288 medium countersunk holes, size D.

Seed Plate E72 Seed Starting Supplies

Seed Plate E72

Precision Vacuum Seeder Accessory

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

Seed Plate B72 Seed Starting Supplies

Seed Plate B72

Precision Vacuum Seeder Accessory

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

9-Tray Light Cart Replacement LED Tube – 36", 1 Count LED

9-Tray Light Cart Replacement LED Tube – 36", 1 Count

Replacement tube for #6222 light cart.

Hang It Adjustable Hanger Grow Lights and Carts

Hang It Adjustable Hanger

LED or T5HO Strip Light Accessory

Quickly adjust the height of lighting as plants grow.

Out Of Stock

Mini Greenhouse Kit Seed Starter Kits

Mini Greenhouse Kit

Great way to grow your own seedling starts.

Out Of Stock

Johnny's Commercial LED Light Cart – 9 Trays LED

Johnny's Commercial LED Light Cart – 9 Trays

Designed for commercial grower applications.

Out Of Stock

SunBlaster T5HO Strip Light with NanoTech Reflector – 48" Grow Lights and Carts

SunBlaster T5HO Strip Light with NanoTech Reflector – 48"

High-performance fluorescent lighting for healthy, vigorous plants.

Out Of Stock

50 Cell Plug Popper Seed Starting Supplies

50 Cell Plug Popper

TO Plastic Tray Accessory

Save time when transplanting.

Out Of Stock