This is because all the nutrients that a seedling needs in its initial stage of life (before it develops its first true set of leaves) is contained in the seed. Second, some seed starting mixes contain chemical agents to hydrate the soil or supplements to supercharge your plants, which-for starting seeds-are completely unnecessary. Sure, the price tag on a typical 8-quart bag doesn’t seem too bad, but then you bring it home and realize that 8 quarts isn’t really going to cut it when you have a whole flat of seeds to sow. Go to a nursery and you’ll realize two things about seed starting mixes.įirst, they’re relatively expensive. Extra-Strength 32-Cell Seedling Tray with Insert What is seed starting mix? If you buy from one of my links, I may earn a commission. Common questions about seed starting mix and potting mixĭisclosure: All products on this page are independently selected.So just how cheap is homemade seed starting mix?.How to make the best potting mix for transplanting seedlings.The best DIY seed starting mix needs only 3 ingredients.What’s the difference between potting soil and seed starting mix?.
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