In effect this and most other cephalarias are high-rise, yellow-flowered scabiosas. They're unaccountably rare in gardens, and we love them all. Cephalaria radiata grows to 5 feet tall and has pale yellow pincushion blooms. Likes full sun and tolerates drought. Zone 4. Propagated from seed. Deep 3.5-inch pots.
Sun; average to light soil; 50"x18"; summer