Connecticut College Arboretum

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The "grass ramp" from the entrance to the lilly pond

The Connecticut College Arboretum is a 300 ha (750 acres) 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.


Arboretum collections are: the Native Plant Collection, the Caroline Black Garden, the Connecticut College Campus, and the Greenhouse. The underlying bedrock of granite, schist and gneiss was scoured by glaciers about 26,000 years ago.[1] The resulting glacial till has produced a brown soil of stony fine sandy loam texture. The dominant soil association on well-drained hills is Charlton-Chatfield complex. Hollis series occurs where the soil is less than 50 cm thick. A localized silt deposit in the southern area is mapped as Narragansett series. Poorly drained soils include Ridgebury, Leicester and peaty Timakwa series.[2]

The Native Plant Collection of 8 ha (20 acres) was established in 1931, and displays trees and shrubs native to eastern North America and hardy in New London. It contains 288 taxa, including trees, shrubs, and woody vines indigenous to the forested region of Eastern North America, such as shadbush, dogwood, azaleas, mountain laurel, giant rhododendron, sourwood, sweet pepperbush, and evergreens and conifers. Of particular interest are:

The Caroline Black Garden contains a mature collection of ornamental trees, shrubs, and grasses from across the world, including 187 different woody taxa such as azaleas, Crimson Queen Japanese maple, sourwood (Oxydendrum arboreum), Japanese stewartia, fragrant viburnum, weeping cherry, and many other specimens.

The Connecticut College Campus currently has 223 taxa of trees and numerous shrubs, including the Franklin tree, Japanese Pagoda Tree, seven-son flower, and Chinese witch-hazel.

The 280 m2 (3,000 square foot) Greenhouse includes a tropical house, a cactus collection, and an experimentation area.

The College Arboretum is also host to the biannual Arbo-Fest. Local and student bands can be found performing next to the lilly pond for the college students, enjoying the day in true liberal arts college fashion. Arbo-Fest is held once in the fall and once in the spring. The event is beloved by the college community for celebrating the beauty of the seasons with contemporary music.

Directors of the Connecticut College Arboretum[edit]

Photo gallery[edit]

See also[edit]


  1. ^ Connecticut College Natural History and Biodiversity
  2. ^ SoilWeb: An Online Soil Survey Browser California Soil Resource Lab

External links[edit]

Coordinates: 41°23′N 72°07′W / 41.38°N 72.11°W / 41.38; -72.11