Originated by Vladimir Mirka of the Czech Republic, this cultivar is a medium size, dark green hosta with cupped and heavily corrugated leaves.

According to IMDB, "Charles Emerald was born on January 21, 1885 in Westminster, London, England. He was an actor, known for The Ringer (1928), Lost Patrol (1929) and One of the Best (1927). He died on March 21, 1931 in Kennington, London."