Registered by Robert Hackbarth of The Hosta Leaf in Colesburg, Iowa in 2015, this upright growing cultivar is of unidentified parentage. It is a large size hosta (23 inches high by 36 inches wide) with blue-green foliage that has green and yellow streaked variegation. The leaves are moderately corrugated, broadly ovate, slightly twisted, slightly wavy, slightly cupped and has a glaucous bloom on top. It bears tubular, striped flowers followed by yellow seed pods.

According to the registration materials: "...blue greens up as season progresses..."

Blue Magoo is a type of marijuana. Blues Magoos was a band from the 1960s and this is Mr Magoo, beloved myopic cartoon character.