Ideal for architectural impact in the border, Silver Ghost displays spiny, silvery brachts that surround a prominent blue-green cone on 36-42 inch stems. This distinctive perennial makes a striking statement in the evening garden where the silvery-white dissected leaves impart a ghostly image. Hardy to zone 5 in full sun and dry, well-drained, poor to moderately fertile soil. Drought tolerant. Pkt. 25