Where do Hosta grow wild?

Hostas are natives of Northeast Asia, primarily Japan, Korea and China. Various articles report that they're still discovered at the base of Mt. Fuji in Japan. Although native hostas grow in Korea, they are hard to find. China's wild hostas have become quite rare. Gardeners in Japan have been cultivating hostas for centuries, but these shade-loving perennials only reached Europe in the 1700s and only reached America in the late 1800s.