Trees
Air Pollution
Picea omorika
Serbian Spruce
The Serbian spruce is an elegant tree for northeast Ohio landscapes. Mature specimens are tall and slender, with gracefully drooping secondary branches and ascending primary branches that become bowed with... more
Koelreuteria paniculata
Koelreuteria paniculata (golden rain tree)
According to Klyn Nursery, “An interesting and unique tree that could definitely be used more in the landscape due to their hardy nature and multi-season interest. Hailing from eastern Asia, Koelreuteria paniculata bears... more
Acer x freemanii ‘Celebration’
Freeman’s Maple
The selection has a contoured, upright, uniform branching structure with a good central leader and rarely requires pruning to maintain its naturally symmetrical form. It’s known for being disease resistant, tolerant of urban pollution... more
Ulmus americana
American elm
American elm is native from Saskatchewan to Nova Scotia south to Texas and Florida. It was the first tree planted at the Holden Arboretum in 1931. That tree, a scion... more
