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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234 Products

Seed Plate E72 Seed Starting Supplies

Precision Vacuum Seeder Accessory

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

Bioset Germinator Seed Starting Supplies

Bioset Germinator

Grow fresh sprouts for salads right in your kitchen.

Miter-Cut Grafting Knife Seed Starting Supplies

Miter-Cut Grafting Knife

Improves speed, accuracy, and repeatability for top grafting.

40-Watt Replacement Bulb, Case Grow Lights and Carts

40-Watt Replacement Bulb, Case

Full-Size Seedling Cart Accessory

For our full-size seedling light carts (#7025, 7026).

Strip Light Hanger Grow Lights and Carts

Strip Light Hanger

LED or T5HO Strip Light Accessory

Expand your lighting to grow bigger, healthier plants.

Full-Size Seedling Light Cart – 16 Trays, 640 Watts Grow Lights and Carts

Full-Size Seedling Light Cart – 16 Trays, 640 Watts

Grow Light System

Holds 16 trays. 640 Watts.

Spring Loaded Side-Grafting Clip Seed Starting Supplies

Spring Loaded Side-Grafting Clip

Securely hold larger seedlings.

Seed Plate A72 Seed Starting Supplies

Precision Vacuum Seeder Accessory

72 large countersunk holes, size A.

Replacement Bulb, 6 Count Grow Lights and Carts

Replacement Bulb, 6 Count

Compact Seedling Cart Accessory

For our compact seedling light carts (#s 7296, 7297, 7298, and 7299).

128 Cell Plug Popper Seed Starting Supplies

128 Cell Plug Popper

TO Plastic Tray Accessory

Save time when transplanting.

50 Cell Plug Popper Seed Starting Supplies

50 Cell Plug Popper

TO Plastic Tray Accessory

Save time when transplanting.

Hard Plastic Perma-Nest Trays – 24 Count Trays, Domes, and Flats

Hard Plastic Perma-Nest Trays – 24 Count

Durable trays for our Seedling Light Carts.

Strip Light Stand Grow Lights and Carts

Strip Light Stand

LED or T5HO Strip Light Accessory

Create the perfect tabletop growing environment.

50 Cell Plug Flats – 100 Count Cell Flats

50 Cell Plug Flats – 100 Count

Designed for fresh market growers. Square cells.

Hand-held 1 Soil Blocker Soil Blocking

Hand-held 1 Soil Blocker

Create soil blocks for seeding and transplanting.

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.

72 Cell Plug Flats – 100 Count Cell Flats

72 Cell Plug Flats – 100 Count

Designed for fresh market growers. Square cells.

SunBlaster T5HO Strip Light with NanoTech Reflector – 24" Grow Lights and Carts

SunBlaster T5HO Strip Light with NanoTech Reflector – 24"

High-performance fluorescent lighting for healthy, vigorous plants.