· While seeds may be started in standard garden soil, there are a number of reasons to use a seed starting soilless medium instead. Learn more about using soilless planting mix for seeds in this article. Follow along as we show you how to make a soilless seed starting mix for our aeroponics system. Use our soilless seed starting mix recipe to begin growing seeds today. 5 days ago · Garden soil can kill seedlings. Learn how to make an easy, affordable seed-starting mix that’s light, sterile, and perfect for germination. · Whether starting seeds or beefing up your indoor garden, a soilless mix is your friend. What is it, and how does it work? Learn the ins and outs with our guide. Discover the best soilless mix for seeds. Our guide covers DIY recipes, top brands, and key ingredients like coco coir vs. peat moss for healthy seedlings. · We’ll uncover what a soilless mix is, explore its amazing benefits, learn how to make your own custom blends, and master the best practices for care. Get ready to unlock the secret to happier, healthier container plants! This guide shows you how I make a homemade soilless potting mix (Mel’s Mix) with equal parts compost, peat moss (or an SFG-approved alternative), and coarse vermiculite—measured by volume, not weight.