Tools & Supplies Seed Starting Supplies
Seed Starting Supplies
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.
Filters
Done
Sale
Hand-held 1 Soil Blocker Soil Block Makers
Create soil blocks for seeding and transplanting.
Create soil blocks for seeding and transplanting.
Sale
Full-Size Seedling Light Cart – 16 Trays, 640 Watts Grow Lights and Carts
Holds 16 trays. 640 Watts.
Extend your growing season by starting seeds indoors or quickly expand your already available seed starting space.
Sale
18 Cell Fertil Pots Strip – 10 Count Biodegradable Pots
100% organic, OMRI-listed biodegradable pots.
100% organic, OMRI-listed biodegradable pots.
Sale
Soil Blocking/Potting Tray Soil Block Makers
Make perfect soil blocks every time.
Make perfect soil blocks every time.
Sale
Redi-Heat™ Heat Mat – 21" x 10', 300 Watts Seedling Heat Mats
21" x 10' heavy-duty heat mat for constant heat to root zone.
Increase growth and reduce production time by maintaining proper root zone temperature.
Sale
Redi-Heat™ Four Outlet Digital Thermostat Seedling Heat Mats
Precise temperature control of up to four heat mats at once.
Precise temperature control of up to four heat mats at once.
Sale
Medium Weight Mesh Tray – 50 Count Trays, Domes, and Flats
Reinforced support for other seedling containers.
Reinforced support for other seedling containers.
Sale
Lightweight Mesh Tray – 50 Count Trays, Domes, and Flats
Compact, low-cost support for other containers.
Compact, low-cost support for other containers.
Sale
3 1/8" Round Fertil Pots – 1,370 Count Biodegradable Pots
100% organic, OMRI-listed biodegradable pots.
100% organic, OMRI-listed biodegradable pots.
Sale
4" Square/Tall CowPots™ – 132 Count Biodegradable Pots
Eco-friendly, nutrient-rich, renewable pots made from recycled manure.
Eco-friendly CowPots™ are a nutrient rich, renewable, American product made from recycled cow manure - as seen on TV's Dirty Jobs!
Sale
128 Cell Plug Flats – 100 Count Trays, Domes, and Flats
Designed for fresh market growers. Square cells.
Designed for fresh market growers. Square cells.
Sale
Power Supply Adapter Seed Starting Supplies
120 Volt AC power converter for the Vibro Hand Seeder.
120 Volt AC power converter for the #9845 Vibro Hand Seeder.
Sale
Johnny's Exclusive
Johnny's Pro-Am Seedling Grower Kit Pro-Am Seedling Kits
Just add seeds and water.
Just add seeds...and water.
Sale
3" Six-Cell CowPots™ – 50 Count Biodegradable Pots
Eco-friendly, nutrient-rich, renewable pots made from recycled manure.
Eco-friendly CowPots™ are a nutrient rich, renewable, American product made from recycled cow manure.
Sale
Hydrofarm Seedling Heat Mat – 20" x 20", 45 Watts Seedling Heat Mats
20" x 20" waterproof mat warms soil for optimum germination.
Warms seed flats for improved germination.
Sale
Redi-Heat™ Heat Mat – 21" x 5', 150 Watts Seedling Heat Mats
21" x 5' heavy-duty heat mat for constant heat to root zone.
Increase growth and reduce production time by maintaining proper root zone temperature.
Sale
72 Cell Plug Flats – 100 Count Trays, Domes, and Flats
Designed for fresh market growers. Square cells.
Designed for fresh market growers. Square cells.
Sale
Compact Seedling Light Cart – 8 Trays, 320 Watts Grow Lights and Carts
Eight-tray capacity with a smaller space-saving footprint.
Eight-tray capacity with a smaller space-saving footprint.
73 - 90 of 207