Common chicory, Cichorium intybus, is a somewhat woody, perennial herbaceous plant usually with bright blue flowers, rarely white or pink. Various varieties are cultivated for salad leaves, chicons, or for roots (var. sativum), which are baked, ground, and used for preparing a beverage. It is also grown as a forage crop for livestock. It lives as a wild plant on roadsides in its native Europe, and in North America and Australia, where it has become naturalized.
The roasted and ground root is used to make a beverage that resembles coffee. It is very often used as a coffee substitute and additive. As an additive is used in various ratios most commonly used ratio is around 20% chicory to 80% Arabica coffee.