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Seed-Starting Supplies

Produce healthy seedlings ready for transplant with our helpful and economical line of seed-starting products. Growers Supply offers a variety of seed germination supplies and plant-starting supplies, from seedling heating mats, hot house growing systems and heated germination stations to Gro-Quick soil warming cables and Redi-Heat propagation mats. We've got your DIY seed-starting needs covered.

View our Seed Starting Buyer's Guide.
Interested in other seed starting ideas? Read our Customer Testimonial.


Growing Supplies - Seed-Starting Supplies - Jiffy-7C Coir Pellets
Jiffy-7C Coir Pellets
 Growing Supplies - Seed-Starting Supplies - Wonder Soil® Expanding Wafers
Wonder Soil® Expanding Wafers
 Growing Supplies - Seed-Starting Supplies - Wonder Soil Bricks
Wonder Soil Bricks
 Growing Supplies - Seed-Starting Supplies - Horticultural Coarse Perlite - 4 Cubic Feet
Horticultural Coarse Perlite - 4 Cubic Feet
Growing Supplies - Seed-Starting Supplies - Wonder Soil® Reground
Wonder Soil® Reground
 Growing Supplies - Seed-Starting Supplies - Sure To Grow® Growing Mediums
Sure To Grow® Growing Mediums
 Growing Supplies - Seed-Starting Supplies - Grodan Delta Gro-Blocks™
Grodan Delta Gro-Blocks™
 Growing Supplies - Seed-Starting Supplies - Expand and Plant Cube
Expand and Plant Cube
Growing Supplies - Seed-Starting Supplies - Fertilpot Pots & Strips
Fertilpot Pots & Strips
 Growing Supplies - Seed-Starting Supplies - Grodan A-OK 1.5" x 1.5" Starter Plugs - 98 per Sheet
Grodan A-OK 1.5" x 1.5" Starter Plugs - 98 per Sheet
 Growing Supplies - Seed-Starting Supplies - Standard 1020 Flats
Standard 1020 Flats
 Growing Supplies - Seed-Starting Supplies - Standard Cell Inserts
Standard Cell Inserts
Growing Supplies - Seed-Starting Supplies - Plug Trays
Plug Trays
 Growing Supplies - Seed-Starting Supplies - Clear Humidity Domes
Clear Humidity Domes
 Growing Supplies - Seed-Starting Supplies - Heated Germination Station
Heated Germination Station
 Growing Supplies - Seed-Starting Supplies - Hot House Growing System
Hot House Growing System
Growing Supplies - Seed-Starting Supplies - Seedling Heat Mats
Seedling Heat Mats
 Growing Supplies - Seed-Starting Supplies - Gro-Quick Soil Warming Cable
Gro-Quick Soil Warming Cable
 Growing Supplies - Seed-Starting Supplies - Capillary Mats
Capillary Mats
 Growing Supplies - Seed-Starting Supplies - Redi-Heat™ Heavy-Duty Propagation Mats & Accessories
Redi-Heat™ Heavy-Duty Propagation Mats & Accessories


Hydroponic Lettuce System - Large
Hydroponic Lettuce System - Large
$2,495.00
Elite Greenhouse - 9'1"W x 8'3"H x 12'2"L
Elite Greenhouse - 9'1"W x 8'3"H x 12'2"L
$2,695.00
Gro-Max Gothic Tall High Tunnel - 20'W x 14'H x 24'L
Gro-Max Gothic Tall High Tunnel - 20'W x 14'H x 24'L
$2,895.00