California
Bamboo Garden At Foothill College, Blue Bird Haven Iris Garden, Conejo Valley Botanic Garden, Descanso Gardens, Earl Burns Miller Japanese Garden, Filoli Center, Fullerton Arboretum, Ganna Walska Lotusland, Japanese Friendship Garden of San Diego, Lotusland
Colorado
Betty Ford Alpine Gardens, Denver Botanic Gardens, Hudson Gardens, Western Colorado Botanical Gardens & Butterfly
Florida
Fairchild Tropical Botanic Garden, Flamingo Gardens, Harry P. Leu Gardens, Heathcote Botanical Gardens, Historic Bok Sanctuary, Kanapaha Botanical Gardens, Marie Selby Botanical Gardens, McKee Botanical Garden, Mounts Botanical Garden, St Petersburg Sunken Gardens
Georgia
Atlanta Botanical Garden, Atlanta Gardens, Callaway Gardens, Georgia Golf Hall of Fame's Botanical Gardens, Georgia Southern Botanical Garden, The State Botanical Garden of Georgia
Illinois
Garfield Park Conservatory, Klehm Arboretum and Botanic Garden, Luthy Botanical Garden, Quad City Botanical Center, The Morton Arboretum, Washington Park Botanical Garden
Massachusetts
Arnold Arboretum, Berkshire Botanical Garden, The Botanic Garden at Smith College, The Polly Hill Arboretum, Tower Hill Botanic Garden
Michigan
Belle Isle Botanical Society, Fernwood Botanical Gardens & Nature Preserve, Frederik Meijer Gardens & Sculpture Park, Hidden Lake Gardens, Leila Arboretum, Matthaei Botanical Gardens, Nichols Arboretum, Slayton Arboretum at Hillsdale College
New Hampshire
Rockingham County Botanical Garden, Saint-Gaudens National Historic Site, The Fells
New Jersey
Friends of the Frelinghuysen Arboretum, Presby Memorial Iris Gardens, Van Vleck House & Gardens
New York
Brooklyn Botanic Garden, Buffalo and Erie County Botanical Gardens, Cornell Plantations, Landis Arboretum, Linwood Gardens, Old Westbury Gardens, Planting Fields Arboretum State Historic Park, Ross Park Zoo and Gardens, Sonnenberg Gardens, Staten Island Botanical Garden
North Carolina
Airlie Gardens, Daniel Stowe Botanical Garden, JC Raulston Arboretum, New Hanover County: The Arboretum, The Elizabethan Gardens, The Sarah P. Duke Gardens, Wing Haven Gardens & Bird Sanctuary
Ohio
Chadwick Arboretum at Ohio State University, Cleveland Botanical Garden, Cox Arboretum & Gardens Metropark, Franklin Park Conservatory, Kingwood Center, Mill Creek MetroParks, Stan Hywet Hall and Gardens, The Dawes Arboretum, The Holden Arboretum, Toledo Botanical Garden
Pennsylvania
Bartram's Garden, Bowman's Hill Wildflower Preserve, Brandywine River Museum Wildflower Gardens, Chanticleer Garden, Churchville Nature Center, Hershey Gardens, Lake Erie Arboretum at Frontier Park, Longwood Gardens, Phipps Conservatory and Botanical Gardens, The Gardens at Morris Arboretum
Tennessee
Cheekwood Botanical Garden and Museum of Art, Memphis Botanic Garden, Reflection Riding, The Dixon Gallery and Gardens
Texas
Chandor Gardens, Corpus Christi Botanical Gardens & Nature Cent, Fort Worth Botanic Garden, Peckerwood Garden, Riverside Nature Center, Ruby Mize Azalea Garden, San Antonio Botanical Garden, The Dallas Arboretum and Botanical Garden
Virginia
Blandy Experimental Farm, George Washington's Mount Vernon Estate and G, Green Spring Gardens Park, Hahn Horticulture Garden at Virginia Tech, Lewis Ginter Botanical Garden, Norfolk Botanical Garden, Oatlands Plantation, The Edith Johnson Carrier Arboretum
Washington, DC
Dumbarton Oaks, The National Garden, United States National Arboretum, Virtual Tour of The Gardens at Dumbarton Oaks
Cheyenne Botanic Gardens
Traditional public botanic garden, municipal nursery and community garden. The numerous gardens include displays of native, tropical, rose, herb, cacti, inside a conservatory and on the outside grounds.
Coastal Maine Botanical Gardens
Gardens and natural areas in Boothbay include fern, wetlands, and native plant shoreland gardens, a collection of rhododendrons, and a trail lined with mosses, lichens, heaths and ferns. Information about the garden, events, and membership.
Crosby Arboretum
Mississippi State University Native plant conservatory of the Southeastern United States, located in Picayune. News, maps, and information about the natural areas.
Garvan Woodland Gardens
An amalgam of forestland and botanical garden located in the picturesque Ouachita Mountain terrain, these gardens feature a nature preserve, children's adventure garden, and much more. Arkansas.
Lamoille County Nature Center: Wildflower Meadow G
Vermont garden in designed and maintained to showcase New England wildflowers, and attract wildlife. Practical information on wildflower gardening, and portraits of many species.
Lee Memorial Garden
Woodland garden in New Canaan (Connecticut) featuring spring blooming bulbs, ephemerals, ferns, herbaceous plants, and an extensive collection of specimen azaleas and rhododendrons. Information about plant collections and visiting.
Lyon Arboretum
Arboretum and botanical garden located in tropical rainforest at the University of Hawaii at Manoa, Oahu. News, information about plants, visiting, school programs, and special events.
Myriad Botanical Gardens
Gardens and conservatory in the center of Oklahoma City, displaying plants from around the world, including wet- and dry-climate tropical collections. Photo gallery, information about programs and events.
Nebraska Statewide Arboretum
Contains a collection of trees and other plants that are used for education, research and enjoyment. Helps communities and people create forested and garden environments. Lists services, staff, and related links.
The Bellevue Botanical Garden
Garden highlights include the Northwest Perennial Alliance border, waterwise garden, Japanese garden, alpine rock garden and summer displays of dahlias and fuchsias. Overviews of the different areas and information about events and classes. Washington.
The Berry Botanic Garden
This garden in Portland, Oregon, showcases and conserves plants from the U.S. Northwest and from around the world. Among its features are a large rock garden, uncommon trees, and collections of primulas and rhododendrons. Information about education, conservation, horticulture, and a virtual tour.
Winterthur Museum, Garden & Library
Country estate in Delaware's Brandywine Valley, with expansive landscaping and the Enchanted Woods children's garden.
Yew Dell Gardens
Garden in Crestwood (Kentucky) features a large arboretum, formal, serpentine, and secret gardens. Virtual tour, history, mission, information about open days and special events, and volunteering opportunities.