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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243 Products

Replacement Blades Seed Starting Supplies

Replacement Blades

Grafting Knife Accessory

For the 7172 Miter-Cut Grafting Knife.

Seed Plate E264 Vacuum

Seed Plate E264

Paperpot Vacuum Seeder Accessory

264 large plain holes, size E.

Seed Plate C264 Vacuum

Seed Plate C264

Paperpot Vacuum Seeder Accessory

264 small plain holes, size C.

SunBlaster Replacement T5HO Lamp – 24", 6 Count Grow Lights and Carts

SunBlaster Replacement T5HO Lamp – 24", 6 Count

Seed Plate D264 Vacuum

Seed Plate D264

Paperpot Vacuum Seeder Accessory

264 medium countersunk holes, size D.

SunBlaster Replacement T5HO Lamp – 48", 6 Count Grow Lights and Carts

SunBlaster Replacement T5HO Lamp – 48", 6 Count

Seed Plate B264 Vacuum

Seed Plate B264

Paperpot Vacuum Seeder Accessory

264 medium plain holes, size B.

16-Tray Light Cart Replacement LED Tube – 48", 1 Count LED

16-Tray Light Cart Replacement LED Tube – 48", 1 Count

Replacement tube for #6221 light cart.

Sale

NanoDome – 5 Count Grow Lights and Carts

NanoDome – 5 Count

LED or T5HO Strip Light Accessory

Humidity dome with groove for resting a grow light.

Sale

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.

Hanging Clips Grow Lights and Carts

Hanging Clips

LED or T5HO Strip Light Accessory

Ideal for suspending SunBlaster lighting above your growing area.

Out Of Stock

Magnifier Seed Starting Supplies

Magnifier

Vibro Hand Seeder Accessory

For use with Vibro Hand Seeder only.