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:

Johnny's 72-Cell Commercial Soil Blocker Soil Blocking

Johnny's 72-Cell Commercial Soil Blocker

The new standard in commercial-scale soil blocking.

Polypro Endurance Deep Tray (No Holes), Red – 4 Count Support Trays

Polypro Endurance Deep Tray (No Holes), Red – 4 Count

Johnny's thickest wall trays.

Smart Pot® – 5 Gal. Grow Bags

Smart Pot® – 5 Gal.

Fabric planters promote healthy roots.

Light Timer Grow Lights and Carts

Light Timer

Precise lighting control for your indoor growing space.

Precision Vacuum Seeder Vacuum

Precision Vacuum Seeder

Accurately seed a whole tray at once.

4" Round Fertil Pots – 810 Count Biodegradable Pots

4" Round Fertil Pots – 810 Count

100% organic, OMRI Listed® biodegradable pots.

LED Strip Light Kit – 48" Grow Lights and Carts

LED Strip Light Kit – 48"

Energy efficient LED lighting for growing quality plants.

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.

Johnny's 50-Cell Commercial Soil Blocker Soil Blocking

Johnny's 50-Cell Commercial Soil Blocker

The new standard in commercial-scale soil blocking.

Pro-Tray 24 Cell Flats – 5 Count Cell Flats

Pro-Tray 24 Cell Flats – 5 Count

For home and market gardeners. Round cells.

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.

Johnny's Handheld Soil Blocker Set Soil Blocking

Johnny's Handheld Soil Blocker Set

Sold together for 50-cell and 72-cell 1020 tray formats.

Johnny's 12-Cell Handheld Soil Blocker Soil Blocking

Johnny's 12-Cell Handheld Soil Blocker

Reduce your workload and improve your efficiency.

Pro-Tray 72 Cell Flats – 5 Count Cell Flats

Pro-Tray 72 Cell Flats – 5 Count

For home and market gardeners. Round cells.

128 Cell Plug Flats – 50 Count Cell Flats

128 Cell Plug Flats – 50 Count

Designed for fresh market growers. Square cells.

200 Cell Plug Flats – 5 Count Cell Flats

200 Cell Plug Flats – 5 Count

Designed for fresh market growers. Square cells.

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

Polypro 5x5 Insert Pots – Blue, 8 Count

Resilient and reusable.

LED Strip Light Kit – 24" Grow Lights and Carts

LED Strip Light Kit – 24"

Energy efficient LED lighting for growing quality plants.

LED Mini Greenhouse Kit LED

LED Mini Greenhouse Kit

Great way to grow your own seedling starts.

36 Cell Fertil Pots Strip – 10 Count Seed Starting Supplies

36 Cell Fertil Pots Strip – 10 Count

100% organic, OMRI Listed® biodegradable pots.

Medium Weight Mesh Tray – 5 Count Support Trays

Medium Weight Mesh Tray – 5 Count

Reinforced support for other seedling containers.

NanoDome – Single Grow Lights and Carts

NanoDome – Single

LED or T5HO Strip Light Accessory

Humidity dome with groove for resting a grow light.

New

Johnny's Infinite Adjustable LED Light Stand LED

Johnny's Infinite Adjustable LED Light Stand

Adjust your light to an "infinite" number of heights.

Smart Pot® – 20 Gal. Grow Bags

Smart Pot® – 20 Gal.

Fabric planters promote healthy roots.

Smart Pot® – 10 Gal. Grow Bags

Smart Pot® – 10 Gal.

Fabric planters promote healthy roots.

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.

Power Supply Adapter Seed Starting Supplies

Power Supply Adapter

Vibro Hand Seeder Accessory

120 Volt AC power converter for the Vibro Hand Seeder.

12 Cell Fertil Pots Strip – 8 Count Biodegradable Pots

12 Cell Fertil Pots Strip – 8 Count

100% organic, OMRI Listed® biodegradable pots.

Johnny's 10-Cell Handheld Soil Blocker Soil Blocking

Johnny's 10-Cell Handheld Soil Blocker

Reduce your workload and improve your efficiency.

Vibro Hand Seeder Seed Starting Supplies

Vibro Hand Seeder

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

Seedling Grower Starter Kit Seed Starter Kits

Seedling Grower Starter Kit

Grow your own seedlings at home.

Lightweight Deep Trays – 100 Count Support Trays

Lightweight Deep Trays – 100 Count

The standard 1020 greenhouse flat without drainage slots.

Seed Plate C128 Seed Starting Supplies

Seed Plate C128

Precision Vacuum Seeder Accessory

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

Heavyweight Mesh Tray – 5 Count Support Trays

Heavyweight Mesh Tray – 5 Count

Heavy duty support for other seedling containers.

New

Humidity Tent Grow Tents

Humidity Tent

Johnny's Commercial LED Light Cart Accessory

Full-length humidity tent for 16-tray Commercial Light Cart.

Top-Grafting Starter Kit Seed Starting Supplies

Top-Grafting Starter Kit

Save money growing your own quality grafted seedlings.