How to Make Your Own Potting Soil

Learn how to make your own potting soil. Combine a bit of dirt, some well aged compost and a handful of sand for good drainage to form an inexpensive and handy planting medium for your new garden seedlings or old-friend house plants.



You can pasteurize your composted material in a solar cooker made from a cardboard box, aluminum foil and plastic wrap.
You can pasteurize your composted material in a solar cooker made from a cardboard box, aluminum foil and plastic wrap.
Illustration by Elayne Sears
You can buy potting soil or learn how to make your own potting soil. To make you own potting soil for seedlings and houseplants, first screen some compost, then pasteurize it by heating in an oven or a solar cooker. Then blend this prepared compost with garden soil.
You can buy potting soil or learn how to make your own potting soil. To make you own potting soil for seedlings and houseplants, first screen some compost, then pasteurize it by heating in an oven or a solar cooker. Then blend this prepared compost with garden soil.
Illustration by Elayne Sears
Heating your compost for an hour at 160 degrees will kill fungus gnats and most weed seeds.
Heating your compost for an hour at 160 degrees will kill fungus gnats and most weed seeds.
Illustration by Elayne Sears

















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