A vigorous cultivar with yellow fully double flower heads. The blooms are borne majestically on 6 feet tall stems; clump-forming to 3-5 feet. It's impressive to have something so exuberant towering in your garden. Found often along streams, moist woodlands, or sloughs in mid to late summer along streams, moist woodlands, or sloughs in their natural habitats. Also referred to as Golden Glow.
Mature size: Clump forming; 3-5 ft wide x 6-8 ft tall
Minimum temperature: -40° F