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 ...

When Kate Netwal wants a fresh, crisp salad, she doesn't have to go to the grocery store. She makes one from the greens growing in her Minnetonka closet. Yes, her closet. That's where Netwal has two ...

In a promising development, hydroponics, a sophisticated technique for cultivating vegetables and fruits without soil, is gaining traction in Pakistan as a potential avenue to bolster foreign exchange ...