Aster ageratoides ‘Eleven Purple’ is an upright, rounded, evergreen perennial that forms purple-colored, cup-like flowers arranged in umbels with a pleasant fragrance from August to October. In a sunny to partially shaded location with well-drained, nutrient-rich soil, it usually reaches a height of approx. 50 cm and becomes approx. 60 cm wide. ‘Eleven Purple’ is well tolerated by frost.