The Morrison Arboretum is an arboretum located in Morrison, Oklahoma. It is open to the public daily without charge.
The arboretum's plantings include Acer truncatum, Aesculus pavia, Betula nigra, Cercis canadensis, Celtis occidentalis, Cupressus nootkatensis, Fraxinus pennsylvanica, Ginkgo biloba, Ilex 'Nellie R. Stevens', Juniperus virginiana, Magnolia grandiflora, Metasequoia glyptostroboides, Morus alba 'Chaparral', Nyssa sylvatica, Platanus × hispanica, Quercus muehlenbergii, Quercus nigra, Quercus shumardii, Taxodium distichum, and Ulmus pumila.