Seed Starting Supplies | Johnny's Selected Seeds

Skip to main content Skip to footer content

0

View Cart

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.

Satisfaction Guarantee

246 Products

Sort By:

Sale

7" Clear Propagation Domes – 25 Count Humidity Domes

7" Clear Propagation Domes – 25 Count

Create the perfect healing chamber for grafted tomatoes.

Sale

Paperpot Seedling Tray – Individual Transplanters

Paperpot Seedling Tray – Individual

Paperpot Transplanter Accessory

Tray sized specifically for Paper Chain Pots.

Sale

Maxi Square Plastic Pots – 540 Count Plastic Pots

Maxi Square Plastic Pots – 540 Count

For larger seedlings like peppers and tomatoes.

Sale

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

Lightweight Shallow Trays (with Holes) – 100 Count

Slots for uniform drainage.

Sale

Mini Wand Seeder with Air Valve and Hose Seed Starting Supplies

Mini Wand Seeder with Air Valve and Hose

One of the best seeders for handling extremely small seeds.

Sale

Magnifier Seed Starting Supplies

Magnifier

Vibro Hand Seeder Accessory

For use with Vibro Hand Seeder only.

Sale

Paperpot Seedling Trays – 10 Count Transplanters

Paperpot Seedling Trays – 10 Count

Paperpot Transplanter Accessory

Tray sized specifically for Paper Chain Pots.

Sale

Seed Plate D128 Seed Starting Supplies

Seed Plate D128

Precision Vacuum Seeder Accessory

128 medium countersunk holes, size D.

Sale

Seed Plate C288 Seed Starting Supplies

Seed Plate C288

Precision Vacuum Seeder Accessory

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

Sale

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

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

Replacement tube for #6221 and #6248 light carts.

Sale

Seed Plate B200 Seed Starting Supplies

Seed Plate B200

Precision Vacuum Seeder Accessory

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

Sale

Precision Vacuum Seeder Vacuum

Precision Vacuum Seeder

Accurately seed a whole tray at once.

Sale

SureRoots® 50-Cell Deep Plug Flats – 25 Count Cell Flats

SureRoots® 50-Cell Deep Plug Flats – 25 Count

Promotes deeper root development.

Sale

Seed Plate B128 Seed Starting Supplies

Seed Plate B128

Precision Vacuum Seeder Accessory

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

Sale

Seed Plate C72 Seed Starting Supplies

Seed Plate C72

Precision Vacuum Seeder Accessory

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

Sale

72 Cell Plug Flats – 100 Count Cell Flats

72 Cell Plug Flats – 100 Count

Designed for fresh market growers. Square cells.

Sale

50 Cell Plug Popper Seed Starting Supplies

50 Cell Plug Popper

TO Plastic Tray Accessory

Save time when transplanting.

Sale

Pro-Tray 38 Cell Flats – 100 Count Cell Flats

Pro-Tray 38 Cell Flats – 100 Count

For home and market gardeners. Round cells.

Sale

Seed Plate B72 Seed Starting Supplies

Seed Plate B72

Precision Vacuum Seeder Accessory

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

Sale

36 Cell Fertil Pots Strip – 144 Count Seed Starting Supplies

36 Cell Fertil Pots Strip – 144 Count

100% organic, OMRI Listed® biodegradable pots.

Sale

Polypro Mesh Deep Tray, Black – 24 Count Support Trays

Polypro Mesh Deep Tray, Black – 24 Count

Durable trays for support and drainage.

Sale

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

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

Johnny's thickest wall trays.

Sale

Seed Plate D50 Seed Starting Supplies

Seed Plate D50

Precision Vacuum Seeder Accessory

50 medium countersunk holes, size D.

Sale

Seed Plate C264 Vacuum

Seed Plate C264

Paperpot Vacuum Seeder Accessory

264 small plain holes, size C.

Sale

Seed Plate B264 Vacuum

Seed Plate B264

Paperpot Vacuum Seeder Accessory

264 medium plain holes, size B.

Sale

Johnny's 512 Mix – 2-Yard Bulk (bagged) Growing Media

Johnny's 512 Mix – 2-Yard Bulk (bagged)

Sale

Growlight Garden Seed Starter Kits

Growlight Garden

Complete kit for growing a garden in your home.

Sale

Seed Plate C200 Seed Starting Supplies

Seed Plate C200

Precision Vacuum Seeder Accessory

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

Sale

Mini Square Plastic Pots – 540 Count Plastic Pots

Mini Square Plastic Pots – 540 Count

For big stocky transplants.

Sale

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

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

Johnny's thickest wall trays.

Sale

Seed Plate A264 Vacuum

Seed Plate A264

Paperpot Vacuum Seeder Accessory

264 large countersunk holes, size A.

Sale

SunBlaster Replacement T5HO Lamp – 48", 1 Count Grow Lights and Carts

SunBlaster Replacement T5HO Lamp – 48", 1 Count

Sale

Seed Plate E264 Vacuum

Seed Plate E264

Paperpot Vacuum Seeder Accessory

264 large plain holes, size E.

Sale

12-Cell Stand-up Soil Blocker Soil Blocking

12-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

Sale

35-Cell Stand-up Soil Blocker Soil Blocking

35-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

Sale

Connector Set LED

Connector Set

Johnny's Modular LED Grow Light Cart Accessory

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