This cultivar is a seedling of H. 'Korean Snow' × H. 'June' was registered by Martin Lokies of Germany in 2015. It is a small size hosta about 12 inches high with a spread of 17 inches. The medium to dark green foliage is very flat, ovate and shiny on top. Its petioles are lime green in color with some red dots. Pale lavender, bell-shaped flowers with translucent edges bloom from late July into August on short scapes.

The best we could find on a brief search was that the German word "Smaragd" means emerald. We were unable to find an English word or definition for the word "Hervester". It could be  someone's or something's name.