The company Eden Green Technology's approach to farming responds to many of the issues stressing modern-day food systems.

The crisp, leafy green is easy to grow hydroponically ... of hydroponically grown lettuce include the commonly grown ...

Spinach. It's one of the most nutritious lettuce options and is "a versatile, iron-rich green that's often used in both raw and cooked dishes," says Messer. Butterhead. This is another popular ...

Salad is one of those special dishes that can be dressed up or down depending on your needs. Looking for something fresh and vibrant as a side dish for a heavier main? Try a garden salad.

Romaine Lettuce: With elongated, dark green leaves and a slightly bitter taste, it's a staple in Caesar salads. Butterhead Lettuce: Its soft, buttery leaves have a mild flavor, making it a ...

Apart from traditional lettuces, such as 'Cos', 'Iceberg' and 'Butterhead', there are many others to try, including loose-leaf types and oak leaf lettuce, radicchio, rocket and endive.

Spinach. It's one of the most nutritious lettuce options and is "a versatile, iron-rich green that's often used in both raw and cooked dishes," says Messer. Butterhead. This is another popular type of ...