The hybrid cultivar 'Rosehill' was originally raised by the Rose Hill Nurseries of Kansas City

Kansas City, Missouri

Kansas City, Missouri is the largest city in the U.S. state of Missouri and is the anchor city of the Kansas City Metropolitan Area, the second largest metropolitan area in Missouri. It encompasses in parts of Jackson, Clay, Cass, and Platte counties...

, Missouri

Missouri

Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...

, from a selection of Ulmus pumila × Ulmus rubra

Ulmus rubra

Ulmus rubra, the Slippery Elm, is a species of elm native to eastern North America...

seedlings made in 1951.

Description

'Rosehill' was described as slightly slower growing than its sibling 'Willis'

Ulmus 'Willis'

The hybrid cultivar Willis originated as a selection made by a Mr Minnick of Kansas simply as a hybrid. Almost certainly derived from a crossing of the Siberian Elm Ulmus pumila and the Red Elm Ulmus rubra, it was originally believed that the American parent was the American Elm Ulmus americana,...

, but carrying a heavier crown, with good branching and attractive foliage.

Cultivation

The tree was later marketed by the Willis Nursery Co. of Ottawa

Ottawa, Kansas

Ottawa is a city situated along the Marais des Cygnes River in the central part of Franklin County, located in east-central Kansas, 50 miles southwest of Kansas City, Mo., in the central United States. As of the 2010 census, the city population was 12,649. It is the county seat and most populous...

, Kansas

Kansas

Kansas is a US state located in the Midwestern United States. It is named after the Kansas River which flows through it, which in turn was named after the Kansa Native American tribe, which inhabited the area. The tribe's name is often said to mean "people of the wind" or "people of the south...

 . It is not known whether 'Rosehill' remains in cultivation, or if it was ever introduced to Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

 or Australasia

Australasia

Australasia is a region of Oceania comprising Australia, New Zealand, the island of New Guinea, and neighbouring islands in the Pacific Ocean. The term was coined by Charles de Brosses in Histoire des navigations aux terres australes...

.