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‘Frühlingsfee’ As with other pink varieties, the flowers open white, turning pink as they mature

‘Royal Blue’ Strong grower with deep blue flowers and purple backs

‘Parlez Vous’ Large pale flowers in a delicate powder blue

‘Robinsoniana’ AGM Vigorous spreader; clear blue flowers and bronze-edged leaves

‘La Rochanne’ Pink flowers and contrasting maroon-tinged foliage

‘Wilks’ White’ White flowers, strong grower

‘Virescens’ AGM Quirky variety with finely cut, leaf-like green bracts but no petals