This list of botanical gardens and arboretums in Ohio is intended to include all significant botanical gardens and arboretums in the U.S. state of Ohio. [1] [2] [3]
The Holden Arboretum, in Kirtland, Ohio, is one of the largest arboreta and botanical gardens in the United States, with more than 3,600 acres (1,500 ha), including 600 acres (240 ha) devoted to collections and gardens. Diverse natural areas and ecologically sensitive habitats make up the rest of the holdings. Holden's collections includes 9,400 different kinds of woody plants, representing 79 plant families.
Secrest Arboretum is an arboretum located on the campus of the Ohio Agricultural Research and Development Center (OARDC), at the intersection of Pine Road and Green Drive, Wooster, Ohio. It is open daily without charge and hosts an estimated 10,000 visitors each year.
Chadwick Arboretum is a 62 acres (25 ha) arboretum on the Agriculture campus of The Ohio State University, in Columbus, Ohio, United States. The main arboretum collection is located just across Lane Avenue from the Schottenstein Center with its other collections nearby. The arboretum is open daily without charge.
Ulmus davidiana, also known as the David elm, or Father David elm, is a small deciduous tree widely distributed across China, Mongolia, Korea, Siberia, and Japan, where it is found in wetlands along streams at elevations of 2000–2300 m (6,500–7,500 ft). The tree was first described in 1873 from the hills north of Beijing, China.
The Wych Elm cultivar Ulmus glabra 'Horizontalis', commonly known as the Weeping Wych Elm or Horizontal Elm, was discovered in a Perth nursery circa 1816. The tree was originally identified as 'Pendula' by Loddiges (London), in his catalogue of 1836, a name adopted by Loudon two years later in Arboretum et Fruticetum Britannicum, 3: 1398, 1838, but later sunk as a synonym for 'Horizontalis'.
The American Elm cultivar Ulmus americana 'Delaware' was originally selected from 35,000 seedlings inoculated with the Dutch elm disease fungus in USDA trials at Morristown, New Jersey.
The 'dwarf' elm cultivar Ulmus 'Jacqueline Hillier' ('JH') is an elm of uncertain origin. It was cloned from a specimen found in a private garden in Selly Park, Birmingham, England, in 1966. The garden's owner told Hillier that it might have been introduced from outside the country by a relative. Hillier at first conjectured U. minor, as did Heybroek (2009). Identical-looking elm cultivars in Russia are labelled forms of Siberian Elm, Ulmus pumila, which is known to produce 'JH'-type long shoots. Melville considered 'JH' a hybrid cultivar from the 'Elegantissima' group of Ulmus × hollandica. Uncertainty about its parentage has led most nurserymen to list the tree simply as Ulmus 'Jacqueline Hillier'. 'JH' is not known to produce flowers and samarae, or root suckers.
Ulmus laciniata var. nikkoensisRehder, the Nikko elm, was discovered as a seedling near Lake Chūzenji, near Nikkō, Japan, and obtained by the Arnold Arboretum in 1905. The taxonomy of the tree remains a matter of contention, and has been considered possibly a hybrid of U. laciniata and U. davidiana var. japonica. However, in crossability experiments at the Arnold Arboretum in the 1970s, U. laciniata, a protogynous species, was found to be incompatible with U. davidiana var. japonica, which is protandrous.
The possible elm cultivar Ulmus 'Jalaica' hails from the Baltic states. Living specimens are grown in the arboretum at the National Botanic Garden of Latvia, Salaspils, introduced in 1998 from the Tallinn Botanic Garden and the plantarium OPU Tallinn, Estonia. It was assumed the word 'Jalaica' was the name given the cultivar, but it has since emerged that the word simply means 'Elm' in Estonian, and the trees donated may not in fact be cultivars, although of rather unusual appearance.