Rutgers Gardens
- Campus arboretum and public garden. Information about collections and theme gardens, visiting, educational programs, and events.
- http://rutgersgardens.rutgers.edu

Duke Farms
- Large estate garden in Hillsborough, whose features include a lake and other water features, a sycamore allee, and barns. Information about recreation and education, and nature programs.
- http://www.dukefarms.org

Reeves-Reed Arboretum
- Suburban conservancy on a historic country estate in Summit, dedicated to the environment and horticultural education. News, and information about visiting and events.
- http://www.reeves-reedarboretum.org

Holmdel Arboretum
- County park facility in Freehold, featuring hundreds of species, cultivars, and varieties of ornamental trees and shrubs. Summary and visiting information.
- http://www.monmouthcountyparks.com/gardens/arboretum.asp

Greenwood Gardens
- Historic estate garden in Short Hills (New Jersey), being restored for public enjoyment as a project of the Garden Conservancy. History, photos, mission statement.
- http://www.greenwoodgardens.org/

Morven Museum & Garden
- House built before the American Revolution by Richard Stockton. The former governor's mansion is now a state museum. Information about museum exhibits and garden tours.
- http://www.historicmorven.org/

Camden Children's Garden
- A place for the young and the young at heart to explore and discover the natural world, with horticultural experiences for creative and imaginative play. Information on exhibits, activities, and school programs.
- http://www.camdenchildrensgarden.org/

Somerset County Parks
- Gardens tended by the park commission include the naturalistic Leonard J. Buck Garden, fragrance, rose, and perennial gardens, and an arboretum.
- http://www.somersetcountyparks.org/

Van Vleck House & Gardens
- On this suburban estate in Montclair, formal gardens featuring a choice collection of rhododendrons, azaleas, and other broad-leaved evergreens extend from a turn-of-the-century Italianate villa. History, visitor information, calendar of events.
- http://www.vanvleck.org/

Friends of the Frelinghuysen Arboretum
- Volunteer organization dedicated to various horticultural facilities in Morris County (New Jersey), especially its headquarters location, the George Griswold Frelinghuysen Arboretum. Information about the Frelinghuysen Arboretum, history, events, and work
- http://www.arboretumfriends.org/