https://www.gardnermuseum.org/
Garden in the Woods, Framingham, MA
New England Wild Flower Society
Native outdoor orchid species
www.newfs.org
Lyman Estate Greenhouses, Waltham, MA
Historic New England
Historic greenhouses and bi-annual orchid sales
http://www.historicnewengland.org/historic-properties/homes/lyman-estate-greenhouses
Lyman Conservatory, Northampton, MA
Smith College Botanic Garden
www.smith.edu/garden/Conservatory/conservatory.html
Margaret C. Ferguson Greenhouses, Wellesley, MA
Wellesley College Botanic Gardens
www.wellesley.edu/WCBG
New England Botanic Garden at Tower Hill, Boylston, MA
The Ware Collection of Blaschka Glass Models of Plants
Harvard Museum of Natural History
https://hmnh.harvard.edu/glass-flowers
Other Gardens listed by the AOS