Cardoon Bianco Avorio. Thin ribs (compared to Gobbo di Nizza). Straight plant with some spines. Cardoons are kind of a giant artichoke only you eat the stems rather than the flowers. Will grow six feet tall. Prefer full sun and light fertile soil. Usually need some support. Blanch two weeks before harvest by wrapping stems with newspaper or cardboard. 110 days. 5 gram packet.