Beetroots are BIENNIAL plants grown as ANNUALS. They are grown for their swollen roots (beetroot) and leaves (beet greens).
Besides being a food plant, beets have a long history as a medicine.
Cylindra is an heirloom with long and, cylindrical roots, good for producing beet slices of uniform size.
The deep purple beetroots are eaten boiled, roasted, or raw, or also commonly processed into pickles.
The leafy greens of beets are also edible and can be eaten raw in salads (young leaves) or boiled/steamed and eaten like spinach.
Beets are a good source of commercial red food colouring and it is known as a medicinal plant of the Middle Ages to aid in digestion and help the blood.