Johnny’s Seedling Heat Mat – 20.75″ X 20.75″

A key component to propagating seedlings like tomatoes, peppers, melons, and other crops that require soil temperatures of more than 70 degrees for the seeds to germinate. These commercial-grade heat mats are ideal for seed germination and plant propagation. Double-insulated, durable construction with patented waterproof seal around the edges to protect mats from damage. Sized to hold 2 standard 1020 seedling trays. Includes Johnny’s quick guide to germination for various crops, based on findings from our Research Farm. UL Certified for safety. 120 volts. 45 watts. 50/60 Hz. Includes 6′ power cord with 2-prong plug. Dimensions: 20.75″ x 20.75″. NOTE: Designed to raise the soil temperature in the root zone 10 to 20 degrees above ambient air temperature.