One of the most magnificent of all the herbaceous plants. Honey scented, purple, thistle like flower above silvery-green foliage. This was once grown as a vegetable by the Victorians but now adds a dramatic touch to a border.
Full sun, partial shade
June to September
Moist, well drained
Beds and borders. Pots and containers
Cut flower, Architectural
Photo by H. Zell / CC BY-SA (https://creativecommons.org/licenses/by-sa/3.0)