Garlic chives are also hardy perennials.
The foliage is flat rather than hollow and grows to about twelve inches high.
The flower stalks grow up to 30 inches high, topped with greenish-white flower heads which are quite showy.
The mild garlic flavor of the foliage is useful in many foods, particularly oriental dishes.
As with chives, garlic chives are harvested by shearing the leaves at ground level.
Older leaves become coarse, so shear the plants occasionally even if you have no immediate use for the herb.
This will encourage the plants to produce the desirable tender shoots.