Hemerocallis 'Chicka Chicka Boom Boom'

An herbaceous perennial that reaches approximately 97cm in height when in flower. It forms a clump of arching, strap-like green leaves and striking, lavender-purple coloured flowers that have white mid-ribs and a creamy ruffled edge, a purplish eye-zone above a chartreuse green-yellow heart and throat to 15cm across in summer. The flowers remain open for longer than 16 hours