Bickelhaupt Arboretum (14 acres) is a non-profit arboretum located in Clinton, Iowa. It is open dawn to dusk daily without charge.
The arboretum was established by Bob and Frances Bickelhaupt around their home and given to the public in 1970. The Bickelhaupts grouped tree plantings by genus. Major collections include maple ( Acer ), birch ( Betula ), hickory ( Carya ), beech ( Fagus ), ash ( Fraxinus ), honeylocust ( Gleditsia ), magnolia ( Magnolia ), ornamental crabapple ( Malus ), oak ( Quercus ), linden ( Tilia ) and elm ( Ulmus ). Other specimens include alders ( Alnus ), pecan ( Carya illinoinensis), hackberry ( Celtis occidentalis), dogwoods ( Cornus ), ginkgo ( Ginkgo biloba ), thornless honeylocust ( Gleditsia triacanthos var. inermis), Kentucky coffeetree ( Gymnocladus dioicus ), black tupelo ( Nyssa ), swamp white oak ( Quercus bicolor), willows ( Salix ), and baldcypress ( Taxodium ). The arboretum also includes outstanding conifer specimens of spruce, pine, fir, douglas fir and larch.
The arboretum's collection of garden conifers contains over 600 accessions from 14 genera hardy in USDA Hardiness Zones 4a to 6a, each labeled with botanical and common names. These including over 100 one-of-a-kind Witches' Brooms, of which 3 are naturally occurring. The arboretum also includes a selection of ornamental shrubs with major collections including boxwood ( Buxus ), hydrangea, roses ( Rosa ), lilacs ( Syringa ), and viburnum.
The arboretum's grounds also include a butterfly garden, a country garden, a daylily ( Hemerocallis ) collection (including 54 Stout Medal winners), the Mercy Hospice Herb Garden (featuring more than 60 herb specimens), the National Hosta Display Garden (featuring over 200 cultivars), perennials, prairie grasses, a rock garden and a wildflower garden.
An arboretum is a botanical collection composed exclusively of trees of a variety of species. Originally mostly created as a section in a larger garden or park for specimens of mostly non-local species, many modern arboreta are in botanical gardens as living collections of woody plants and are intended at least in part for scientific study.
The Bartlett Arboretum and Gardens in Stamford, Connecticut, contains 93 acres of parkland, gardens, landscapes, and hiking trails that focus on the regional plants, ecology and character of Southwestern New England. The Arboretum is open and accessible to the public every day of the year and is located at 151 Brookdale Road.
The Connecticut College Arboretum is a 300 ha arboretum and botanical gardens, founded in 1931, and located on the campus of Connecticut College and in the towns of New London and Waterford, Connecticut, United States.
The University of California, Davis Arboretum is an approximately 100-acre (0.40 km2) arboretum along the banks of the old north channel of Putah Creek on the south side of the University of California, Davis campus in unincorporated Yolo County, California, in the United States.
The George Landis Arboretum is a public garden comprising hundreds of acres of which 40 are devoted to noteworthy collections and gardens overlooking the Schoharie Valley near Esperance, New York, United States. The physical address is 174 Lape Road. Forty acres of the Arboretum are developed with plantings of trees, shrubs, and herbaceous perennials from around the world, including approximately 2,000 labeled specimens. The remainder of the property consists of natural areas, woodlands, wetlands, more than 8 miles of trails, and open fields. Among the Arboretum's horticultural features are a labeled collection of nearly all the trees, shrubs and vines native to New York State, as well as collections of notable trees, flowering ornamental trees and shrubs, tough trees for tough sites, conifers, and oaks. Two old growth forests and additional natural areas representing various stages of succession await visitors The Van Loveland Perennial Garden at the old farmhouse is a seasonal favorite. Collection signage includes QR codes directed toward audio descriptions.
The Arboretum & Botanic Garden at the University of California, Santa Cruz, is located on the campus of the University of California, Santa Cruz, in the United States.
The Donald E. Davis Arboretum, in Auburn, Alabama, United States, is a public native plants museum, and botanical arboretum with educational facilities, event spaces, and a conservation program. Its grounds, covering 13.5 acres of Auburn University's campus, include cataloged living collections of associated tree and plant communities representative of Alabama's ecosystems, among which is mixed oak forest, carnivorous bog, and longleaf pine savanna. The living collections include more than 1,000 plant types, including 500 different plant species, with over 3,000 cataloged specimens. The Arboretum contains over a mile (2 km) of interwoven walking trails that meander through various southeastern biotopes.
The Nannine Clay Wallis Arboretum 4 acres is a non-profit arboretum located at the Garden Club of Kentucky, Inc.'s State Headquarters, 616 Pleasant Street, Paris, Kentucky. The Arboretum is open to the public, sunrise to sunset, free of charge.
The University of Idaho Arboretum and Botanical Garden is a major arboretum and botanical garden in the northwestern United States, on the campus of the University of Idaho in Moscow, Idaho. Located within a valley south of the President's Residence on Nez Perce Drive and adjacent to the UI Golf Course, its 63 acres (0.25 km2) are open to the public daily without charge.
The Fell Arboretum is an arboretum located across the campus of Illinois State University in Normal, Illinois.
Klehm Arboretum & Botanic Garden is a nonprofit arboretum and botanical garden located at 2715 South Main Street, Rockford, Illinois.
Nichols Arboretum, locally known as the Arb, is an arboretum on the campus of the University of Michigan, in Ann Arbor, Michigan. The Arb is located adjacent to the Huron River, and features over 400 species, including 110 species of trees, in a varied, hilly landscape. A signature feature of Nichols Arboretum is the W. E. Upjohn Peony Garden, which features the largest collection of heirloom peonies in North America.
The Stony Brook Millstone Watershed Arboretum is an arboretum maintained by the nonprofit Stony Brook-Millstone Watershed Association. It is located at 31 Titus Mill Road, Hopewell Township, in Mercer County, New Jersey. It is open daily without charge.
Rutgers Gardens is the official botanical garden of Rutgers University, located on the outskirts of Rutgers School of Environmental and Biological Sciences, at 112 Log Cabin Road, North Brunswick, New Jersey, 08902. The grounds include 60 acres of designed beds, specialty gardens, tree and shrub collections, lawns, and walking paths, and the adjoining 70-acre Frank G. Helyar Woods. The gardens are open year-round, without fee, and feature horticultural collections arranged in garden settings. In 2017 it was granted landmark status by the American Society for Horticultural Science.
Tyler Arboretum is a nonprofit arboretum located at 515 Painter Road, Middletown Township, Delaware County, Pennsylvania. It is open daily except for major holidays; an admission fee is charged to non-members.
The Henry Schmieder Arboretum is an arboretum and collection of gardens located across the campus of Delaware Valley University, Doylestown, Pennsylvania. It is open daily without charge.
The Arboretum of the Barnes Foundation is an arboretum and the former site of the Barnes Foundation art gallery located at 300 North Latch's Lane, Merion, Pennsylvania, with entrance at 50 Lapsley Lane. Since 2018 the adjacent Saint Joseph's University has managed the arboretum and its educational programs under a lease agreement with the foundation. Now known as the Barnes Arboretum at Saint Joseph's University, the arboretum is open to visitors Monday through Friday when the university is open, but for walk-in visitors only. From May through the end of October, the arboretum is open Saturday and Sunday from 11 a.m. to 4 p.m. with free parking in their lot. Admission is free and no tickets or reservations required.
The Plant Collections Network (PCN) is a group of North American botanical gardens and arboreta that coordinates a continent-wide approach to plant germplasm preservation, and promotes excellence in plant collections management. The program is administered by the American Public Gardens Association from its headquarters in Kennett Square, Pennsylvania, in collaboration with the USDA Agricultural Research Service.
The Morris Arboretum & Gardens of the University of Pennsylvania is the official arboretum of the Commonwealth of Pennsylvania. The Arboretum is open daily except for major holidays. It is located at 100 East Northwestern Avenue, Chestnut Hill, Philadelphia, Pennsylvania.