Perennial. These radiant, yellow, single and semi-double flowers with dark chocolate centers hold their heads up high without the need for staking. You’ll enjoy their glorious beauty as they seduce butterflies with promises of nectar, and provide seeds for birds in winter. A long-lasting cut flower with a long bloom period. Perennial in USDA zones 4 to 9, but usually treated as an annual. Indian Summer is an All-America Selections (AAS) winner and the recipient of the European Fleuroselect Quality Mark in 1995. In 2000, it won the prestigious Royal Horticultural Society’s “Award of Garden Merit”.