Centranthus ruber, also called red valerian, is a popular garden plant grown for its ornamental flowers. Other common names include Jupiter's beard and spur valerian. Both leaves and roots can be eaten, leaves lightly boiled or fresh as a salad green. True valerian has medicinal properties whereas centranthus ruber is questionable for medicinal use. It Spreads by bees and wind; considered an invasive species; grows in rock walls and alkaline soils. The florets come in white and lavender that have a strong unpleasant scent.