Photo from the web Starting seeds indoors without a greenhouse is simple when you use sunny windows, small plastic trays and basic plastic wrap. You can sprout healthy tomato, pepper and lettuce seeds in standard potting mix inside your home during late winter. Follow these exact steps to give your small plants the right light, warmth and water from day one. Choose Your Seed Trays and Soil Mix You can buy plastic seed trays with clear lids, or you can use empty egg cartons and yogurt pots. If you use food containers, punch three small holes in the bottom of each container using a sharp nail so extra water drains out instantly. Clean used pots with hot water and dish soap before putting any dirt inside them to keep young roots safe from rot. Do not use dirt from your outdoor yard for this project. Backyard dirt is too heavy and hard for tiny plant roots, and it carries outdoor bugs. Buy a bag of lightweight seed starter mix from your local shop instead. Put your seed starter mix i...