GLH partners around the world





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Green Legacy Hiroshima was established to safeguard and spread the seeds and saplings of Hiroshima’s A-Bomb survivor trees worldwide. It is hoped that many partners will join this initiative and become active ambassadors in their countries of Hiroshima, its peace message and its green legacy.


In early November, we were delighted to welcome to Hiroshima our partners from Oregon, working to promote the impactful Sunny Day Initiative (founded by Hideko Tamura-Snider). Jim Gersbach from the Oregon Department of Forestry, Mike Oxendine from Oregon Community Trees, and filmmaker David Hedberg. The purpose of the visit was for our partners to see some of the mother survivor trees and to meet master gardener Horiguchi-san and GLH and Hiroshima botanic garden teams. David could also give first public viewings at the Peace Memorial Museum and Hiroshima University of his upcoming documentary, “The Seeds of Peace”, about Hideko and the initiative of planting hibakujumoku tree seeds in Oregon. Click here to learn more. Yomiuri Shimbun also wrote an article about the visit (JP).

Partners in Profile: Special Feature from Oregon features the story of the A-bomb tree at the Oregon State Penitentiary

Partners in Profile: Special Feature from Oregon features Kim Stafford, Poet.

Partners in Profile: Special Feature from Oregon features David Hedberg, Historian and filmmaker.

8:15 a.m. JST on August 6th, 2023, marked the 78th anniversary of the atomic bombing of Hiroshima. Keeping with GLH’s message of peace through the hibakujumoku, partner organizations held memorials to spread the trees' message of caution and hope throughout the world.  GLH regional hub, the San Diego Botanical Garden, organized a special commemoration through the dedication ceremony for its recently planted Gingko, a descendant of the Shukkeien Garden hibakujumoku. GLH coordinator Dr. Nassrine Azimi joined SDBG President and GLH science advisor  Dr. Ari Novy for this special ceremony. To learn more, click here.

On June 29, 2023, the United Nations Institute for Training and Research (UNITAR) organized a roundtable and book launch to commemorate the Afghan Fellowship Legacy Projects (click this link to learn more). The event was attended by several notable individuals associated with the GLH network: co-founders Nassrine Azimi and Tomoko Watanabe, and current and former GLH members Haruka Yasuda, Yuko Baba, Taiga Nishimura, Benjamin Echikson, Saeeda Razick and Jenny Xin Luan. Ari Novy, the President and CEO of the San Diego Botanic Garden and an international scientific adviser for GLH, delivered his remarks via Zoom during the event.

Click this link to view a slideshow of the event.

Partners in Profile entry for May 2023 features Elinor Breman, Senior Research Leader, Kew Gardens, Wakehurst, United Kingdom.

Will Matsuda is a Japanese American photographer based in Portland, Oregon. His grandmother was living in Hawaii in 1945 when she lost most of her family in Hiroshima to the atomic bomb. Matsuda recently wrote a New York Times Op-ed about finding an unlikely connection in Oregon to his family history: hibakujumoku Ginkgo trees planted by GLH partner Hideko Tamura Snider as part of the Sunny Day Initiative. Matsuda has created a photography collection on these Gingkoes.

To find out more, click here to read the article on the New York Times website.

The hibakujumoku were recently featured in Eden Magazine, a Belgian nature and gardening magazine. Author Marie-Noëlle Cruysmans, touched by the message and power of Hiroshima’s survivor trees, wrote about their story.

Article published in the Spring-Summer issue of Eden Magazine nr. 76 – Dutch version and nr. 74 – French version, with a circulation in the Benelux and France of 75.000 copies –

Click here for a PDF of the article in French.

Partners in Profile entry for May 2023 features Gerardo Avalos, Professor, University of Costa Rica, Costa Rica.

From April 12th through April 15th, 2023, the Harvard Graduate School of Design held a symposium and exhibition called “Front Door: Dialogue for Our Future on Planet Earth” aimed at raising awareness of environmental challenges and advocating for a future both peaceful and sustainable.

Click here to read more.

GLH Regional Seed Hubs

San Diego Botanic Garden (SDBG) in San Diego, California and the College of Agriculture, Food & Rural Enterprise (CAFRE) in Northern Ireland

We are delighted that the SDBG and CAFRE have agreed to become GLH regional seed hubs. We hope their help will facilitate sharing A-bombed tree seeds with more partners in the United States, the United Kingdom, and Latin America.

Japanese Pamphlet 日本語パンフレット

See here for 2021-2022 Hibaku second-generation seeds availability for dispatch.

Latest Updates

University College Cork Arboretum
University College Cork Arboretum - October 2023

University College Cork (UCC) recently hosted Japan's Ambassador to Ireland, Mr. Norio Maruyama. During his visit, the Ambassador had the opportunity to explore UCC's remarkable tree collection, with a special emphasis on the second-generation A-bomb survivor trees from Hiroshima. For a detailed report on this visit, please visit this link. Photo credits: Max Bell (UCC).

Ljubljana Botanical Garden
Ljubljana Botanical Garden - October 2023

Our partner Janja Makše from the University Botanic Garden in Ljubljana sent us pictures of Ginkgo and Hackberry trees growing strong into a beautiful green and yellow hue. Janja also informed us that they have 18 Hackberry trees and 9 Ginkgo trees.

National University of Singapore Tembusu College and Singapore Botanical Garden
National University of Singapore Tembusu College and Singapore Botanical Garden - October 2023

Dr. Nura Abdul Karim has forwarded pictures of the Camphor tree taken at the Singapore Botanic Gardens as well as its plaque. According to Dr. Abdul Karim, the Camphor tree is still growing and doing well with the tropical weather of Singapore.

Umuco Mwiza School, Rwanda
Umuco Mwiza School, Rwanda - August 2023

We recently received a new picture of two Persimmon hibakujumoku in Rwanda, seen here on each side of our partner, Ms. Marie Louise Kambenga Ntwali.

The Conservatory and Botanical Garden of Geneva
The Conservatory and Botanical Garden of Geneva - June 2023

We are thrilled to announce our latest international partnership with the esteemed Conservatory and Botanical Garden of Geneva! The Director, Nicola Schoenenberger and Head Gardener Nicolas Freyre, recently received a significant contribution from GLH regional hub CAFRE, consisting of ten hibakujumoku trees of each type (pictured).

Nestled in the heart of the city, the Conservatory and Botanical Garden of Geneva boasts a rich history dating back to 1817. Spanning 28 hectares of land next to Lake Geneva, with meticulously curated gardens, greenhouses, and arboretum, showcases a diverse collection of plant species from around the world.

Dunedin Botanic Garden
Dunedin Botanic Garden - May 2023

Our partners at Dunedin Botanic Gardens sent us pictures of the growth of their hibakujumoku Ginkgo trees in early May. The Ginkgo seeds sent in 2017 are now saplings, enveloped in a brilliant golden color. Picture of GLH partners Lee Vallance with the curator of the Dunedin Botanic Garden (right).

School of Biology, University of Costa Rica
School of Biology, University of Costa Rica - March 2023

The Ginkgo biloba seedlings are a source of great pride and joy for the University of Costa Rica. Despite their modest height of 20cm, Dr. Alvados takes them along to his talks on the hibakujumoku, captivating audiences with their unusual beauty and the message behind the GLH project. Ginkgos are a rare sight in the tropics, making these seedlings even more special and intriguing. One moment that stood out for Dr. Alvados was during a presentation to an Ecology course at the University of Costa Rica: one year after the first seedling had germinated, he mentioned that it was the Ginkgo's ‘birthday’ and to his surprise, the attending students burst into a rendition of "Happy Birthday". It was a deeply moving moment, a reminder of the power of nature to touch hearts.

Millennium Seed Bank (MSB)
Millennium Seed Bank (MSB) - March 2023

The Millennium Seed Bank (MSB) at Kew Gardens has recently a new batch of seeds from CAFRE, our HUB in Northern Ireland. Pictured is Lucy Taylor processing the seeds; she will be looking after the collections as they make their way to the seed vault. GLH hopes these hibakujumoku seeds will be a valuable piece to MSB’s important mission.

Municipality of Poertschach am Woerthersee
Municipality of Poertschach am Woerthersee - February 2023

During the winter, when temperatures hovered around 0 degrees Celsius, three trees thrived splendidly in the Pörtschach community in Austria. The Ginkgo, Diospyros kaki, and Celtis, standing at 1.8 meters tall, a testament to strength and resilience of the hibakujumoku.

San Diego Botanic Garden (Regional hub)
San Diego Botanic Garden (Regional hub) - January 2023

Joe DeWolf and Jeremy Bugarchich, team leaders for the GLH regional hub at the San Diego Botanic Garden (SDBG), during a visit in January — here showing GLH co-founder and coordinator Nassrine Azimi the young hibakujumoku seedlings, including the healthy ginkgo in the picture, which shall be planted on the grounds of SDBG this year.