Tools & Supplies Seed Starting Supplies
Seedlings growing in cell flats.
Seed Starting Supplies
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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Hand-held 5 Soil Blocker Soil Blocking
Create soil blocks for seeding and transplanting.
Create soil blocks for seeding and transplanting.
Sale
Johnny's Exclusive
Johnny's 512 Mix – 60 Qt. Growing Media
Sale
3 1/8" Round Fertil Pots – 90 Count Biodegradable Pots
100% organic, OMRI Listed® biodegradable pots.
100% organic, OMRI Listed® biodegradable pots.
Sale
Jump Start® Seedling Heat Mat – 9" x 19 1/2", 17 Watts Seedling Heat Mats
Warms seed flats for improved germination.
Warms seed flats for improved germination.
Sale
Seedling Trays – 5 Count Support Trays
The standard 1020 greenhouse flat with drainage slots.
The standard 1020 greenhouse flat with drainage slots.
Sale
128 Cell Plug Flats – 5 Count Cell Flats
Designed for fresh market growers. Square cells.
Designed for fresh market growers. Square cells.
Sale
Johnny's Exclusive
Johnny's Germination Mix – 20 Qt. Growing Media
Specially designed for optimum germination conditions.
Specially designed for optimum germination conditions.
Sale
Soil Blocking/Potting Tray Soil Blocking
Our favorite for making perfect soil blocks.
Our favorite for making perfect soil blocks.
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Hydrofarm Single Outlet Thermostat Seedling Heat Mats
Consistent temperature control at the root zone.
Consistent temperature control at the root zone.
Sale
Snap-in Square Dibbles Soil Blocking
Create square indents for potting-up mini blocks.
Create square indents for potting-up mini blocks.
Sale
Shallow Leakproof Trays – 5 Count Support Trays
A great multi-use tray for any operation.
A great multi-use tray for any operation.
Sale
Smart Pot® – 20 Gal. Grow Bags
Fabric planters promote healthy roots.
Fabric planters promote healthy roots.
Sale
Long Dibbles Soil Blocking
Use with soil blockers to create dibbled holes for seeds or cuttings.
Use with soil blockers to create dibbled holes for seeds or cuttings.
Sale
2 1/3" Round Fertil Pots – 160 Count Biodegradable Pots
100% organic, OMRI Listed® biodegradable pots.
100% organic, OMRI Listed® biodegradable pots.
Sale
Jumbo Square Plastic Pots – 8 Count Plastic Pots
For very large seedlings such as squash and pumpkins.
For very large seedlings such as squash and pumpkins.
Sale
Widger Seed Starting Supplies
A great multipurpose tool for seed starting.
A great multipurpose tool for seed starting.
Sale
7" Clear Propagation Domes – 5 Count Humidity Domes
Create the perfect healing chamber for grafted tomatoes.
Create the perfect healing chamber for grafted tomatoes.
Sale
Smart Pot® – 10 Gal. Grow Bags
Fabric planters promote healthy roots.
Fabric planters promote healthy roots.
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