The IWGS is making great strides growing relationships worldwide. As an integral part of spreading knowledge and information we proudly acknowlege these gardens as supporting members of the IWGS. 


(For a listing of  more  botanical gardens around the world, please visit the Public Gardens page on this site.)


Chenshan Botanic Garden

Address :No.3888, Chenhua Road,  Songjiang District, Shanghai
Postal code :201602
website: http://www.csnbgsh.cn/

E-mail:[email protected]

This remarkable new 207-hectare botanical garden was opened in 2010 as part of the Shanghai Expo. Set amidst the fast-developing suburbs of Shanghai (population 25 million), it provides both a green resource for the city and a new centre for plant science. Created through collaboration between Shanghai's Municipal Government, the Chinese Academy of Sciences (CAS), and the State Forestry Administration, Chenshan Botanical Garden has a particular focus on East China's highly urbanised environment.

Hangzhou Tianjing Aquatic Botanical Garden

Address :No. 1, Taoyuan, Yuquan, Hangzhou, Xihu District
Zhejiang, China
Phone: (0571)-87961904

website: http://www.hzbg.cn/site/fjyl_en/index.shtml


Hangzhou Botanical Garden (HZBG) was founded in 1956 in Taoyuan Ling of Hangzhou West Lake Scenic Area, covering an area of 248.46 hectares. The garden's topography is high in the northwest and low in the southeast, with wavy terrain in the middle. Altitude of the garden area ranges from 10-165m, including alternate hills and valleys. The area has many ponds of different sizes, red and yellow soils with PH values 4.9-6.5 and modest fertility. HZBG has scientific content, park appearance, and cultural connotation, and is primarily research oriented. It is a comprehensive public botanical garden where knowledge popularization of botanical and environmental sciences takes place. 


Arboretum of Los Angeles

301 North Baldwin Ave, Arcadia, CA 91007 USA

website: https://www.arboretum.org/

Phone: 626.821.3222

The Los Angeles County Arboretum and Botanic Garden is a unique 127-acre botanical garden and historical site located in what was the heart of the historic Rancho Santa Anita in the city of Arcadia.

Glenstone Museum

12100 Glen Road Potomac, Maryland 20854

website: https://www.glenstone.org/

Phone:  (301) 983-5007

email: [email protected]

Glenstone is a place that seamlessly integrates art, architecture, and landscape into a serene and contemplative environment. Guided by the personal vision of its founders, Glenstone assembles post-World War II artworks of the highest quality that trace the greatest historical shifts in the way we experience and understand art of the 20th and 21st centuries. These works are presented in a series of refined indoor and outdoor spaces designed to facilitate meaningful encounters for our visitors. Glenstone offers 230 acres of landscape fully integrated with the architecture and art. The landscape includes paths, trails, streams, meadows, forests and outdoor sculptures throughout the grounds.

Longwood Gardens

1001 Longwood Rd, Kennett Square,  PA 19348 USA

website: https://longwoodgardens.org/


Welcome to the world of Longwood Gardens, where garden design, horticulture, education, and the arts interplay to inspire and enlighten our guests.

Our Gardens are a living expression of all that our founder, Pierre S. du Pont, found inspiring, meaningful, and beautiful. From the intricate fountain systems to the meticulous gardens to the architectural grandeur, awe-inspiring discoveries await at every turn.

Missouri Botanic Garden

4344 Shaw Blvd, St. Louis, MO 63110 USA

website: http://www.missouribotanicalgarden.org/

Phone: (314) 577‑5100


Founded in 1859, the 79-acre Missouri Botanical Garden is the nation's oldest botanical garden in continuous operation and an oasis in the city of St. Louis.

Today, 153 years after opening, the Garden is a National Historic Landmark and a center for science, conservation, education and horticultural display.

Naples Botanic Garden

4820 Bayshore Dr.,  Naples, FL 34112 USA

website: https://www.naplesgarden.org/

Phone: 239.643.7275 or 877.433.1874


Naples Botanical Garden is a certified Autism-Friendly venue through the Center For Autism & Related Disabilities (CARD) at the University of South Florida. We have collaborated with CARD to provide pre-visit tools for individuals with autism spectrum disorder and other sensory processing or cognitive impairments. We hope to provide you with as much information as possible about Naples Botanical Garden in order to make your visit special and enjoyable.

New York Botanical Garden

2900 Southern Blvd,  Bronx, NY 10458-5153 USA

website: https://www.nybg.org/

Phone: 718.817.8700 


The New York Botanical Garden is an iconic living museum, a major educational institution, and a renowned plant research and conservation organization. Founded in 1891 and now a National Historic Landmark, it is one of the greatest botanical gardens in the world and the largest in any city in the United States, distinguished by the beauty of its diverse landscape and extensive collections and gardens, as well as by the scope and excellence of its multidisciplinary exhibitions and programs.