Seed catalogs are full of seed starting supplies. There are all kinds of seed trays and flats, peat pots, cow pots, coir pots, tools for making soil blocks,  soilless growing mixes, heating mats and grow lights.  Where to start? If you have never started seeds indoors the real question is what do you need? You need to buy very little because you can use your kitchen recycling of clear plastic salad and vegetable containers, yogurt containers and cardboard…