(Mildred Seaver ‘Humpback Whale’ forms a huge, dome-shaped mound of blue-green, corrugated, heart-shaped leaves. Very blue springtime color transitions to blue-green. 4 ' tall blue-green scapes display near-white, bell-shaped flowers in early summer.Mildred Seaver was known among hosta enthusiasts as the “Queen of Hostas”. Having spent some time with her at some American Hosta Society conventions I can attest to that. In her lifetime, she registered 95 new varieties including: ‘Spilt Milk’, ‘Queen of the Seas’, 'Sea Thunder' ‘Komodo Dragon’ and 'Dragon of the Seas'.