Perlite, a volcanic rock, is a common ingredient in potting mixes. It improves drainage, aeration and water retention in soil. Perlite is lightweight and can be added to in-ground gardens, but it's ...

How hydroponics works, types, and pros and cons. Katherine Gallagher is a writer and sustainability expert. She holds a B.A. in English Literature from Chapman University and a Sustainable Tourism ...

If you live in an apartment or in a city but love to garden, a hydroponic system will let you grow vegetables, fruits and herbs without taking up a lot of space. Best of all, you don’t even need to ...

Grow your dinner's ingredients in water-based systems made for small spaces, free of pests What if all you needed to grow edibles was water, light and a bottle of nutrients? Shutterstock If ...