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® Roll - 100 Foot Roll
Sure To Grow® Roll - 100 Foot Roll

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 - Botanicare Power Cloning Systems & Accessories
Botanicare Power Cloning Systems & Accessories

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 Mat Thermostat
Seedling Heat Mat Thermostat

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

Growing Supplies - Seed-Starting Supplies - Starter Plugs 1.5" x 1.5" - 98 per Sheet Small Hole
Starter Plugs 1.5" x 1.5" - 98 per Sheet Small Hole

Growing Supplies - Seed-Starting Supplies - Seedling Heat Mats
Seedling Heat Mats

Growing Supplies - Seed-Starting Supplies - Press and Fit Pots and Carry Trays
Press and Fit Pots and Carry Trays



Gro-Max Gothic Tall High Tunnel - 26'W x 14'H x 48'L Film Roll-Up Sides
Gro-Max Gothic Tall High Tunnel - 26'W x 14'H x 48'L Film Roll-Up Sides
$5,095.00
Backyard Pro Greenhouse II
Backyard Pro Greenhouse II
$5,795.00
GS Series I Aquaponics System III
GS Series I Aquaponics System III
$5,995.00

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FodderPro 2.0 Feed System