Seedling #NB4. Parentage: ‘Terpsichore’ x ‘Rosalind Elsie Franklin’. First bloomed 2008, first propagated 2012. Advanced generation lutea hybrid. Flowers are medium sized (6 inches; 15 cm) and have petals of cream coloration, washed pink, more intensely pigmented at the margins into a wide coral-pink picotee. Petals are highly ruffled along their outer edges. One or two flowers per stem. Sheath light pink; carpels 5, green; stigmas light pink; stamens have red filaments, viable pollen some years. Obtaining viable seeds is difficult. Lght fragrance. Excellent straight stems with good carriage. A vigorous grower produces many basal shoots. Foliage is deep blue-green and wide. Plants in Wisconsin reach 3 feet (92 cm) and produce a well-rounded bush. May grow taller in climates with warmer winter temperatures. Reliable bloomer each year. Mimas is named for one of the moons of Saturn, in turn one of the giants in Greek Mythology.