Evelyn writes: What is the difference between perlite and vermiculite? I was told I could use either one of these products when mixing my own potting soil. Perlite (also known as horticultural perlite ...

Decades ago, horticulturists studied ways to provide potted plants with a medium that offered support and nutrition as well as drainage and aeration, Don Kinzler writes.

Every gardener wants nutrient-rich soil. But just because your yard doesn’t have enough nutrients naturally doesn’t mean you can’t add more with the help of vermiculite or perlite, common soil ...

Evelyn writes: What is the difference between perlite and vermiculite? I was told I could use either one of these products when mixing my own potting soil. Perlite (also known as horticultural perlite ...