American Elms are a large, long lived, stately tree. They are considered amongst the most beautiful and graceful trees that can be grown in the prairies. You will positively enjoy how their long slender branches gently sway in a breeze. Their leaves turn a golden yellow in the fall. American Elms are the trees that magnificently shade both North and South 1st Street in Medicine Hat with their cathedral-like ceiling of branches. They are exceptionally hardy and tolerant of even the most harsh planting site.