Seed Starting Supplies | Johnny's Selected Seeds

Skip to main content Skip to footer content

Free Standard Shipping for Orders Over $200*

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

243 Products

2 1/3" Round Fertil Pots – 160 Count Biodegradable Pots

2 1/3" Round Fertil Pots – 160 Count

100% organic, OMRI Listed® biodegradable pots.

1-Cell Handheld Soil Blocker Soil Blocking

1-Cell Handheld Soil Blocker

Create soil blocks for seeding and transplanting.

Spring Loaded Side-Grafting Clip Seed Starting Supplies

Spring Loaded Side-Grafting Clip

Securely hold larger seedlings.

Terrafibre Hemp Grow Mats, 10" x 20" – 140 Count Microgreens Supplies

Terrafibre Hemp Grow Mats, 10" x 20" – 140 Count

Microgreens Accessory

Microgreens media made from a renewable resource.

6-Cell Tray Inserts – 24 Count Cell Flats

6-Cell Tray Inserts – 24 Count

Reusable inserts for 1020 trays.

Miter-Cut Grafting Knife Seed Starting Supplies

Miter-Cut Grafting Knife

Improves speed, accuracy, and repeatability for top grafting.

Polypro Mesh Shallow Tray, Black – 4 Count Support Trays

Polypro Mesh Shallow Tray, Black – 4 Count

Durable trays for support and drainage.

Top-Grafting Starter Kit Seed Starting Supplies

Top-Grafting Starter Kit

Save money growing your own quality grafted seedlings.

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

Polypro 5x5 Insert Pots – Black, 24 Count

Resilient and reusable.

Mini Wand Seeder Seed Starting Supplies

Mini Wand Seeder

Best seeder for handling extremely small seeds.

Seedling Grower Starter Kit Seed Starter Kits

Seedling Grower Starter Kit

Grow your own seedlings at home.

200 Cell Plug Flats – 5 Count Cell Flats

200 Cell Plug Flats – 5 Count

Designed for fresh market growers. Square cells.

18 Cell Fertil Pots Strip – 111 Count Biodegradable Pots

18 Cell Fertil Pots Strip – 111 Count

100% organic, OMRI Listed® biodegradable pots.

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

Polypro Shallow Tray (No Holes), Black – 24 Count

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

Mini Square Plastic Pots – 540 Count Plastic Pots

Mini Square Plastic Pots – 540 Count

For big stocky transplants.

Pro-Tray 72 Cell Flats – 5 Count Cell Flats

Pro-Tray 72 Cell Flats – 5 Count

For home and market gardeners. Round cells.

Vibro Hand Seeder Seed Starting Supplies

Vibro Hand Seeder

Fast, accurate, individual dispensing of even the smallest seeds.

SunBlaster T5HO Strip Light with NanoTech Reflector – 18" Fluorescent

SunBlaster T5HO Strip Light with NanoTech Reflector – 18"

High-performance fluorescent lighting for healthy, vigorous plants.

Fort Vee All-Purpose Potting Mix – 20 Qt Growing Media

Fort Vee All-Purpose Potting Mix – 20 Qt

A popular mix for the professional grower.

Precision Vacuum Seeder Vacuum

Precision Vacuum Seeder

Accurately seed a whole tray at once.

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.

SunBlaster LED Propagation Rack Kit Grow Lights and Carts

SunBlaster LED Propagation Rack Kit

An energy-efficient solution for growing plants indoors.

SunBlaster Mini Greenhouse Kit Seed Starter Kits

SunBlaster Mini Greenhouse Kit

Great way to grow your own seedling starts.

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

Polypro 5x5 Insert Pots – Blue, 24 Count

Resilient and reusable.

SunBlaster T5HO Strip Light with NanoTech Reflector – 36" Grow Lights and Carts

SunBlaster T5HO Strip Light with NanoTech Reflector – 36"

High-performance fluorescent lighting for healthy, vigorous plants.

128 Cell Plug Flats – 100 Count Cell Flats

128 Cell Plug Flats – 100 Count

Designed for fresh market growers. Square cells.

SunBlaster LED Strip Light Kit – 48" Grow Lights and Carts

SunBlaster LED Strip Light Kit – 48"

Energy efficient LED lighting for growing quality plants.

Jumbo Plug Inserts – 100 Count Cell Flats

Jumbo Plug Inserts – 100 Count

Large cells can be separated into six-packs.

Polypro Mesh Deep Tray, Black – 24 Count Support Trays

Polypro Mesh Deep Tray, Black – 24 Count

Durable trays for support and drainage.

Light Timer Grow Lights and Carts

Light Timer

Precise lighting control for your indoor growing space.

Lightweight Deep Trays – 100 Count Support Trays

Lightweight Deep Trays – 100 Count

The standard 1020 greenhouse flat without drainage slots.

SunBlaster Growlight Garden Seed Starter Kits

SunBlaster Growlight Garden

Complete kit for growing a garden in your home.

Maxi Square Plastic Pots – 540 Count Plastic Pots

Maxi Square Plastic Pots – 540 Count

For larger seedlings like peppers and tomatoes.

6-Cell Stand-up Soil Blocker Soil Blocking

6-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

7" Clear Propagation Domes – 25 Count Humidity Domes

7" Clear Propagation Domes – 25 Count

Create the perfect healing chamber for grafted tomatoes.

35-Cell Stand-up Soil Blocker Soil Blocking

35-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.