Answer: Any sterile, soil-less seed starting medium would work. (The reason you use this is that garden soil may harbor diseases that won't harm grown plants, but they can injure seedlings.) <br><br>You can make your own seed starting mix by combining peat moss, vermiculite and/or perlite. Or you can look for the least expensive pre-mixed brand you can find--it should be just about as good as the most expensive.
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