Highstead, formerly known as Highstead Arboretum, in Redding, Connecticut, United States was founded in 1982.^[1] It covers 36 acres (146,000 m²) of woodland, meadow, and wetland and ranges from 640 feet (200 m) to 758 feet (231 m) in elevation and hosts both native and cultivated plant varieties.^[2]

Highstead includes the following collections:

• The Native tree and shrub collection, with indigenous plants from within a 100-mile (160 km) radius of the arboretum.^[3]
• The Mountain Laurel collection, includes three of the seven mountain laurel, or Kalmia, species. Highstead is host to a thorough collection of Kalmia latifolia, the Connecticut state flower, and a representative collection of the genus, for which it is also the International Cultivar Registration Authority.^[4]
• The Deciduous Azaleas collection, with 14 species of deciduous azaleas, including three native species.^[5]
• A Herbarium with more than 1,000 specimens.^[6]

• List of botanical gardens in the United States
• North American Plant Collections Consortium

• Official site

41°19′30″N 73°23′16″W / 41.3251°N 73.3878°W / 41.3251; -73.3878