Seedling heat mats and related controls warm propagation media for crops that germinate best above room temperature. Match mat dimensions and electrical specifications to the tray setup, and use a compatible thermostat when precise media temperature matters.
Follow the manufacturer's placement, moisture, outlet, and safety instructions; do not use damaged cords or exceed equipment ratings. Combine bottom heat with appropriate light and ventilation from Seed Starting Supplies.
Mat or temperature control? The Seedling Heating Mat supplies bottom heat and comes in one-, two-, and four-flat sizes. The separately listed Seedling Heating Mats - Thermostat controls a compatible mat; it is not the heating mat itself. Check what is included and match the control and mat ratings before ordering.