Peter Ruh (1921-2016) was extremely active in the world of hostas throughout his long life. He was in regular contact with many, many people who were serious Hostaphiles around the world. Peter was an active hybridizer himself who introduce hundreds of new cultivar. In addition, he completed the registration process on behalf of dozens of his friends and acquaintances from Europe, Japan and the United States. The following is a list of originators in whose name, Peter registered hostas.

**See our list of the cultivars registered on behalf of these people.