Cultivated Vegetable Which Makes Delicious Tea. 100% Organic. Chlorine Free Bags. This plant originated in Russia but is not cultivated in North America. Growing 2-5 feet tall with a thick woody stem. Burdock's is enjoyed throughout the world as cultivated vegetable and makes delicious tea. Our herbs are grown and processed as close to the way nature intended as possible and never irradiated. Our herbs are grown and harvested with the highest standards of quality control.