Introduction Starting seeds indoors is one of the most rewarding parts of gardening, but it often comes with a hidden cost: energy-hungry heated mats. For gardeners who want to save money, reduce electricity use, and still give their seedlings the warmth they need, exploring a DIY Heated Seed Mat Alternative is the perfect solution. By combining creativity, sustainability, and budget-friendly hacks, you can start seeds early without relying on expensive commercial mats. 👉 For more creative small-space solutions, see our best urban garden ideas for apartments. And expert seed-starting advice, see the National Garden Bureau’s seed starting guide. This guide…