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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246 Products

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Lightweight Deep Trays – 100 Count Support Trays

Lightweight Deep Trays – 100 Count

The standard 1020 greenhouse flat without drainage slots.

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.

Heavyweight Mesh Tray – 5 Count Support Trays

Heavyweight Mesh Tray – 5 Count

Heavy duty support for other seedling containers.

128 Cell Plug Flats – 50 Count Cell Flats

128 Cell Plug Flats – 50 Count

Designed for fresh market growers. Square cells.

Pro-Tray 24 Cell Flats – 5 Count Cell Flats

Pro-Tray 24 Cell Flats – 5 Count

For home and market gardeners. Round cells.

1-Cell Handheld Soil Blocker Soil Blocking

1-Cell Handheld Soil Blocker

Create soil blocks for seeding and transplanting.

LED Mini Greenhouse Kit LED

LED Mini Greenhouse Kit

Great way to grow your own seedling starts.

Seedling Grower Starter Kit Seed Starter Kits

Seedling Grower Starter Kit

Grow your own seedlings at home.

Mini Square Plastic Pots – 540 Count Plastic Pots

Mini Square Plastic Pots – 540 Count

For big stocky transplants.

Johnny's 10-Cell Handheld Soil Blocker Soil Blocking

Johnny's 10-Cell Handheld Soil Blocker

Reduce your workload and improve your efficiency.

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.

Mini Square Plastic Pots – 18 Count Plastic Pots

Mini Square Plastic Pots – 18 Count

For big, stocky transplants.

12 Cell Fertil Pots Strip – 8 Count Biodegradable Pots

12 Cell Fertil Pots Strip – 8 Count

100% organic, OMRI Listed® biodegradable pots.

Pro-Tray 72 Cell Flats – 5 Count Cell Flats

Pro-Tray 72 Cell Flats – 5 Count

For home and market gardeners. Round cells.

35-Cell Stand-up Soil Blocker Soil Blocking

35-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

Vibro Hand Seeder Seed Starting Supplies

Vibro Hand Seeder

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

Top-Grafting Starter Kit Seed Starting Supplies

Top-Grafting Starter Kit

Save money growing your own quality grafted seedlings.

Polypro Shallow Tray (With Holes), Multi – 6 Count Support Trays

Polypro Shallow Tray (With Holes), Multi – 6 Count

Solid shallow trays with holes (for drainage).

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

2 1/3" Round Fertil Pots – 160 Count

100% organic, OMRI Listed® biodegradable pots.

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

Polypro 5x5 Insert Pots – Red, 24 Count

Resilient and reusable.

4" Round Fertil Pots – 810 Count Biodegradable Pots

4" Round Fertil Pots – 810 Count

100% organic, OMRI Listed® biodegradable pots.

Pro-Tray 38 Cell Flats – 100 Count Cell Flats

Pro-Tray 38 Cell Flats – 100 Count

For home and market gardeners. Round cells.

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.

Medium Weight Mesh Tray – 50 Count Support Trays

Medium Weight Mesh Tray – 50 Count

Reinforced support for other seedling containers.

20-Row Seed Flats – 50 Count Cell Flats

20-Row Seed Flats – 50 Count

Ideal for seed starting.

Lightweight Shallow Trays – 36 Count Support Trays

Lightweight Shallow Trays – 36 Count

A great multi-use tray for any operation.

Smart Pot® – 3 Gal. Grow Bags

Smart Pot® – 3 Gal.

Fabric planters promote healthy roots.

12 Cell Fertil Pots Strip – 64 Count Biodegradable Pots

12 Cell Fertil Pots Strip – 64 Count

100% organic, OMRI Listed® biodegradable pots.

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

Johnny's Commercial Heat Mat – Add-On

Smart Pot® Natural – 30 Gal. Grow Bags

Smart Pot® Natural – 30 Gal.

Fabric planters promote healthy roots.

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.

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

SureRoots® 50-Cell Deep Plug Flats – 25 Count

Promotes deeper root development.

20 Cell Fertil Pots Strip – 10 Count Biodegradable Pots

20 Cell Fertil Pots Strip – 10 Count

100% organic, OMRI Listed® biodegradable pots.

20-Cell Stand-up Soil Blocker Soil Blocking

20-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

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.