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

247 Products

Sort By:

Sale

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.

Sale

Organilock Soil Food – 6 Lb. Growing Media

Organilock Soil Food – 6 Lb.

Trial-tested organic amendment.

Sale

Pro-Tray 38 Cell Flats – 5 Count Cell Flats

Pro-Tray 38 Cell Flats – 5 Count

For home and market gardeners. Round cells.

Sale

Pro-Tray 24 Cell Flats – 5 Count Cell Flats

Pro-Tray 24 Cell Flats – 5 Count

For home and market gardeners. Round cells.

Sale

Tray Shelf Soil Blocking

Tray Shelf

Keeps all your essential potting items conveniently at arm's reach.

Sale

Lightweight Shallow Trays (with Holes) – 5 Count Support Trays

Lightweight Shallow Trays (with Holes) – 5 Count

Slots for uniform drainage.

Sale

Polypro Shallow Tray (No Holes), Black – 4 Count Support Trays

Polypro Shallow Tray (No Holes), Black – 4 Count

Solid trays without holes (for bottom watering and support).

Sale

Mini Square Plastic Pots – 18 Count Plastic Pots

Mini Square Plastic Pots – 18 Count

For big, stocky transplants.

Sale

Seedling Grower Starter Kit Seed Starter Kits

Seedling Grower Starter Kit

Grow your own seedlings at home.

Sale

Johnny's 12-Cell Handheld Soil Blocker Soil Blocking

Johnny's 12-Cell Handheld Soil Blocker

Reduce your workload and improve your efficiency.

Sale

36 Cell Fertil Pots Strip – 10 Count Seed Starting Supplies

36 Cell Fertil Pots Strip – 10 Count

100% organic, OMRI Listed® biodegradable pots.

Sale

Grafting Support Stakes Grafting Supplies

Grafting Support Stakes

Top-Grafting Clips with Channel Accessory

Secure plants in place for proper graft healing.

Sale

12 Cell Fertil Pots Strip – 8 Count Biodegradable Pots

12 Cell Fertil Pots Strip – 8 Count

100% organic, OMRI Listed® biodegradable pots.

Sale

18 Cell Fertil Pots Strip – 10 Count Biodegradable Pots

18 Cell Fertil Pots Strip – 10 Count

100% organic, OMRI Listed® biodegradable pots.

Sale

Link Cord – 14" Grow Lights and Carts

Link Cord – 14"

LED or T5HO Strip Light Accessory

Add on to your strip lights for more growing space.

Sale

Polypro 5x5 Insert Pots – Black, 8 Count Plastic Pots

Polypro 5x5 Insert Pots – Black, 8 Count

Resilient and reusable.

Sale

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

Polypro 5x5 Insert Pots – Black, 24 Count

Resilient and reusable.

Sale

Strip Light Hanger Grow Lights and Carts

Strip Light Hanger

LED or T5HO Strip Light Accessory

Expand your lighting to grow bigger, healthier plants.

Sale

Johnny's Seedling Heat Mat – 20.75" x 20.75" Seedling Heat Mats

Johnny's Seedling Heat Mat – 20.75" x 20.75"

Improved germination for heat-loving crops.

Sale

Johnny's Commercial Heat Mat – Master Seedling Heat Mats

Johnny's Commercial Heat Mat – Master

Improved germination for heat-loving crops.

Sale

20 Cell Fertil Pots Strip – 10 Count Biodegradable Pots

20 Cell Fertil Pots Strip – 10 Count

100% organic, OMRI Listed® biodegradable pots.

Sale

Fort Light Potting Mix – 20 Qt Growing Media

Fort Light Potting Mix – 20 Qt

A nutrient-rich organic mix for starting vegetables and annuals from seed.

Sale

Pro-Tray 72 Cell Flats – 5 Count Cell Flats

Pro-Tray 72 Cell Flats – 5 Count

For home and market gardeners. Round cells.

Sale

Johnny's Modular LED Grow Light Cart LED

Johnny's Modular LED Grow Light Cart

Convenient, customizable LED light system.

Sale

Polypro 2.5" Insert Pots – Blue, 32 Count Plastic Pots

Polypro 2.5" Insert Pots – Blue, 32 Count

Resilient and reusable.

Sale

Replacement Blades Seed Starting Supplies

Replacement Blades

Grafting Knife Accessory

For the 7172 Miter-Cut Grafting Knife.

Sale

Power Cord with On/Off Switch Grow Lights and Carts

Power Cord with On/Off Switch

LED or T5HO Strip Light Accessory

Design your own custom seedling growing space.

Sale

Heavyweight Mesh Tray – 5 Count Support Trays

Heavyweight Mesh Tray – 5 Count

Heavy duty support for other seedling containers.

Sale

Johnny's Commercial Heat Mat – Add-On Seedling Heat Mats

Johnny's Commercial Heat Mat – Add-On

Sale

Polypro 2.5" Insert Pots – Black, 8 Count Plastic Pots

Polypro 2.5" Insert Pots – Black, 8 Count

Resilient and reusable.

Sale

200 Cell Plug Flats – 5 Count Cell Flats

200 Cell Plug Flats – 5 Count

Designed for fresh market growers. Square cells.

Sale

5x5 Inserts – 5 Count Microgreens Supplies

5x5 Inserts – 5 Count

Microgreens Accessory

Ideal for small microgreen plantings.

Sale

1-Cell Handheld Soil Blocker Soil Blocking

1-Cell Handheld Soil Blocker

Create soil blocks for seeding and transplanting.

Sale

6-Cell Tray Inserts – 24 Count Cell Flats

6-Cell Tray Inserts – 24 Count

Reusable inserts for 1020 trays.

Sale

Polypro 5x5 Insert Pots – Blue, 8 Count Plastic Pots

Polypro 5x5 Insert Pots – Blue, 8 Count

Resilient and reusable.

Sale

Terrafibre Hemp Grow Mats, 10" x 20" – 10 Count Microgreens Supplies

Terrafibre Hemp Grow Mats, 10" x 20" – 10 Count

Microgreens Accessory

Microgreens media made from a renewable resource.