Zones: 3 to 8
Size: To 2' tall, 1' wide
Growth Rate: Moderate
Exposure: Sun, Filtered Sun
Flowers are lemon-yellow, 2 to 3" diameter and flat on top from spring through summer. Grey-green foliage. Needs good drainage. Armitage says it tends to be short-lived, particularly in the south and in wet summers.
Introduced by Blooms of Bressingham (England) in the 1950's.