Ever wanted to try your hand at hydroponics? All you need to get started are some gallon-sized plastic bottles, some small plastic cups, and vegetable seeds.

Basil is a popular option for a kitchen herb garden, and it is incredibly easy to grow and maintain. You can even grow it in an old bottle on your windowsill.

When you finish your last fizzy sip of soda, it is tempting to just chuck that 2-liter bottle into the recycling bin and call it a day. But hold onto your pop bottles, plant lovers — because they are ...