Hydrofarm® Jump Start Seedling Heat Mats
Hydrofarm® Jump Start Seedling Heat Mats
3" x 20" Windowsill Seedling Heat Mat3" x 20" Windowsill Seedling Heat MatShown in Use  -  3" x 20" Windowsill Seedling Heat Mat9" x 19.5" Seedling Heat Mat9" x 19.5" Seedling Heat Mat20" x 20" Seedling Heat Mat20" x 20" Seedling Heat MatShown in Use  -  20" x 20" Seedling Heat Mat48" x 20" Seedling Heat Mat48" x 20" Seedling Heat MatShown in Use  -  48" x 20" Seedling Heat Mat
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Hydrofarm® Jump Start Seedling Heat Mats have been re-engineered for better performance and greater durability! The new, stronger heating wire and thicker multi-layer construction offer more uniform heating and the durability to withstand rugged greenhouse environments.

  • Increases success of seedlings and cuttings
  • Warms root area 10-20˚F over ambient temperature to improve germination
  • Light, watering, and planting information on mat
  • 50% thicker, waterproof construction
  • The only UL-listed seedling heat mats on the market!
SKU MT10004 MT10006 MT10008 MT10009
Item Dimensions 3" x 20" 8.875" x 19.5" 20" x 20" 48" x 20"
Wattage 7.3W 17W 45W 107W
Voltage 120V
Package Dimensions 7" x 2" x 4" 21" x 9" x 1" 21" x 4" x 4"
Weight 0.5lb 1.1lb 1.8lb 3.3lb
Power Cord 6'
Warranty 1 Year