IV INTERNATIONAL SYPOSIUM ON GERMPLASM OF ORNAMENTALS
Put ISGO on your calendar!
August 3-8, 2025
Welcome to the IV International Symposium of the Germplasm of Ornamentals (ISGO), set to take place in Fort Collins, CO, USA. The theme of IV ISGO is ‘Climate Adapted Ornamental Plants’.
Important Dates & Program of Events | Partners | Conveners | Committees
Abstract and Paper Submissions | Sponsorships |Â Travel and Venue Information
Join us as we delve into the cutting-edge world of science and technology dedicated to exploring, preserving, and enhancing the germplasm of ornamentals. Together, we are forging a path toward a more sustainable and efficient future for ornamental plant production and utilization. Join us in Fort Collins and be part of this exciting journey!
In this Symposium, we want to bring together researchers from many disciplines around the world who share an interest in the following overlapping topics:
- Plant exploration, discovery, and utilization
- Germplasm resources, conservation, and sustainability
- Genetic improvement
- Applications of modern biotechnology
- Environmental physiology and landscape performance
- Biotic stress physiology of new plants
- New uses of ornamental plants
Important Dates
ISGO | August 3-8, 2025
- Start of abstract submission | 1 August 2024
- Deadline for abstract submission | 1 March 2025
- Early registration | 21 May 2025
- Accepted Abstract Author Registration | 30 June 2025
- Deadline for full paper submission | 1 July 2025
Symposium Fees and Registration
Early-bird rate (by May 21, 2025):
- ISHS member registrations – $595
- Non-ISHS member registrations – $715
- Student registrations – $345
- One-day registrations – $395
- Monday tour – $125
- Friday tour – $125
Regular rate:
- ISHS member registrations – $695
- Non-ISHS member registrations – $815
- Student registrations – $445
- One-day registrations – $465
- Monday tour – $150
- Friday tour – $150
Your registration fee includes online access to the electronic version of the Acta Horticulturae symposium proceedings.
Program of Events
As the agenda details are finalized, additional information will be added here
Sunday, August 3
- Registration and Welcome
Monday, August 4
- Conference tour of Denver Botanic Garden
Tuesday, August 5
- Half-day presentations
- Tours (CSU Trial Gardens, USDA Plant Germplasm Center, and Gardens on the Spring Creek)
Wednesday, August 6
- Full-day of Presentations
Thursday, August 7
- Full-day of Presentations
Friday, August 8
- Full day tour of alpine plants in Rocky Mountain National Park
Featured Speakers
Dr. Lisa Alexander - United States National Arboretum
Development of germplasm resources for Hydrangea quercifolia: collection, characterization, and strategies for breeding improvement
Dr. Jennifer Bousselot - Colorado State University
Beyond Beauty: How Rocky Mountain native plants improve our lives
Dr. Qixiang Zhang - Beijing Forestry University
Ornamental germplasm resources and innovation in China
Dr. Yi Li - University of Connecticut'
Toolbox for Ornamental Plant Breeding: What’s Available and How to Decide—Case Studies Included
Conveners​
Dr. Mengmeng Gu
​Department of Horticulture & Landscape Architecture​
Colorado State University​
Fort Collins, Colorado, USA
Dr. Youping Sun
​Department of Plants, Soils & Climate​
Utah State University​
Logan, Utah, USA
IV International Symposium on Germplasm of Ornamentals Committee
Local Organizing Committee
Dr. Jennifer Bousselot – Colorado State University
Dr. Daniel Bucham – Colorado State University
Dr. Jim Klett – Colorado State University
Dr. Tony Koski – Colorado State University
Dr. Chad Miller – Colorado State University
Dr. Alison O’Connor – Colorado State University Extension
Dr. Gayle Volk – USDA ARS
Mr. Phillip Douglas – Denver Botanic Gardens
Mr. Ross Shrigley – Plant Select
Editors
Dr. Mengmeng Gu – Colorado State University
Dr. Qixiang Zhang – Beijing Forestry University
Dr. Youping Sun – Utah State University
Scientific Committee
Dr. Yen-Ming Chen – National Chung Hsing University
Dr. Sumei Chen – Nanjing Agriculture University
Dr. Ryan Contreras – Oregon State University
Dr. David Creech – Stephen F Austin State University
Dr. Seung Youn Lee – Andong National University
Dr. Qianqian Sheng – Nanjing Forestry University
Dr. Donglin Zhang – University of Georgia
Dr. Zhanao Deng – University of Florida
Editorial Board Member
Dr. Lisa Alexander – USDA ARS
Dr. Hsuan Chen – North Caroline State University
Dr. Jongyun Kim – Korea University
Dr. Byoung Ryong Jeong – Gyeongsang National University
Dr. Yu Ma – USDA ARS/ Ohio State University
Dr. James Robbins – University of Arkansas (Retired)
Dr. Ping Yu – University of Georgia
Dr. Chao Yu – Beijing Forestry University
Dr. Longqing Chen – Southwest Forestry University
Dr. Neil Anderson – University of Minnesota
Dr. Bin Wu – Texas A&M University
Dr. Xingbo Wu – University of Florida
Dr. Ming Cai – Beijing Forestry University
Dr. Wusheng Liu – North Carolina State University
Dr. Margherita Beruto – Regional Institute for Floriculture
Dr. Yen-Ming Chen – National Chung Hsing University
Dr. Sumei Chen – Nanjing Agriculture University
Dr. Seung Youn Lee – Andong National University
Dr. Lloyd Nackley – Oregon State University
Dr. Qianqian Sheng – Nanjing Forestry University
Dr. Johan Van Huylenbroeck – ILVO
Abstract and Paper Submission
Instructions & Guidelines
Additional Submission Information
- Only abstracts submitted in English will be reviewed.
- Abstracts must not exceed 300 words.
- Abstracts must not contain tables, pictures or graphs.
- All abbreviations must be spelled out on first use.
- Abstracts should be thoroughly checked for spelling and grammar.
- An abstract submission charge is due upon submission of an abstract and applies to the presenting author only. For ISHS Individual members, the abstract submission charge is fully waived.
- Those who do not hold a user account with ISHS yet: create an ISHS user account first. After payment and activation of your user account, you can start your abstract submission.
- Abstracts must always be submitted by the presenting author, using their own personal ISHS user account. Submitting an abstract on behalf of, or using the ISHS user account of another author is strictly prohibited. Abstracts must be submitted by 1 March 2025 for consideration by the Scientific Committee. Authors will be notified of provisional acceptance of abstracts beginning on 20 January 2025Â and will also be notified if the abstract has been selected for an oral or poster presentation.
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All oral presenters, including invited and keynote speakers, must submit a manuscript for Acta Horticulturae according to the Acta Horticulturae guidelines ( https://www.ishs.org/authors) by 1 July 2025. (Alternatively, presenters have the option to submit a full scientific manuscript on the topic presented at the symposium to the ISHS Scientific Journal in lieu of submitting a manuscript for Acta Horticulturae). Oral presenters who fail to submit a manuscript for publication in Acta Horticulturae or the ISHS Scientific Journal may be refused the floor for making their oral presentation. Authors of posters are strongly encouraged to prepare and submit a manuscript for Acta Horticulturae.
- Presenting authors of abstracts accepted for presentation (both oral/poster) must register for the symposium by 30 June 2025. Failing to register for the symposium will result in your abstract being withdrawn from the symposium program and your manuscript being withdrawn from the Acta Horticulturae symposium proceedings.
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Failing to present (oral/poster) at the symposium will result in your manuscript being withdrawn from the Acta Horticulturae symposium proceedings.
- Early registration:Â 21 May 2025
Those who do not hold a user account with ISHS yet: create an ISHS user account first. After payment and activation of your user account, you can start your abstract submission.
Our Partners
Sponsors
We invite you to learn more about our sponsors and sponsorship opportunities by reviewing our brochure.
Learn More about the International Society for Horticultural Science
Travel and Venue Information
Accommodations
A block of rooms have been reserved at the Hilton Fort Collins for the International Symposium Germplasm Ornamentals (ISGO) Room Block Aug2025 with a Sunday, August 03, 2025 arrival. Please call (800)768-0605 and ask for the International Symposium Germplasm Ornamentals (ISGO) Room Block Aug2025 or reserve using the link below. You will be able to book in the block at the group rate of $169.00 per room, per night, single/double occupancy, for a standard room with one king or two double beds. Parking is available for $15.00.
The room rate, room block and parking will be available until Sunday, August 10, 2025, or until it is sold out, whichever happens first.
Air Travel
Denver International Airport (DEN) is the closest airport, about an hour south of Fort Collins, Colorado. For transportation from Denver International Airport, visit Transportation | Visit Fort Collins (visitftcollins.com)
Cities and Towns Near Fort Collins
- Cheyenne, Wyoming
Visit Cheyenne: This site offers comprehensive information on attractions, events, and accommodations in Cheyenne, including the Cheyenne Botanic Gardens and the High Plains Arboretum. - Boulder, Colorado
Boulder Convention and Visitors Bureau: Provides details on things to do, places to stay, and upcoming events in Boulder. - Denver, Colorado
Visit Denver: The official travel and visitor information site for Denver, featuring guides on attractions, restaurants, hotels, and events. - Greeley, Colorado
Visit Greeley: Offers visitor guides, event calendars, and information on attractions and accommodations in Greeley. - Loveland, Colorado
Visit Loveland: Provides details on local attractions, events, dining, and lodging options in Loveland. - Estes Park, Colorado
Visit Estes Park: The official site for Estes Park tourism, featuring information on Rocky Mountain National Park, local attractions, and lodging. - Longmont, Colorado
Visit Longmont: Offers comprehensive guides on attractions, events, dining, and accommodations in Longmont. - Colorado Springs, Colorado
Visit Colorado Springs: The official tourism website for Colorado Springs, featuring guides on attractions like Garden of the Gods, Pikes Peak, and more.
Venue and Local Attractions
Colorado State UniversityÂ
Colorado State University’s campus is known for its vibrant community. CSU offers a diverse range of academic programs and research opportunities, creating a dynamic and inspiring place for growth and learning. With a strong emphasis on student success, CSU Fort Collins combines academic excellence with the natural beauty of Colorado.
Fort Collins
Fort Collins, Colorado, is a vibrant destination for international visitors with a keen interest in landscape plants and gardens. Nestled at the foothills of the Rocky Mountains, this city boasts a plethora of beautiful parks, botanical gardens, and green spaces. Highlights include the Gardens on Spring Creek, a community horticulture center featuring themed gardens, a butterfly house, and educational programs. Fort Collins offers a blend of natural beauty and innovative garden design, making it an ideal spot for garden enthusiasts to explore and enjoy.
For those interested in landscape plants and gardens, Fort Collins and surrounding areas offer several beautiful and diverse locations to explore.
Other Areas to Explore
- The Gardens on Spring Creek: This 18-acre botanical garden features various themed gardens, including a Children’s Garden, Foothills Garden, Prairie Garden, Rock Garden, and several specialty gardens like the Butterfly/Hummingbird Garden and the Moon Garden. It also hosts a Butterfly House with over 300 North American butterflies. For more information, visit The Gardens on Spring Creek.
- Colorado State University Flower Trial Garden: Located at the northeast corner of College Avenue and Lake Street, this garden displays over 1,200 varieties of flowers that are evaluated under Colorado’s extreme climatic conditions. It’s a great place to see vibrant and diverse plant species. Details can be found at the CSU Flower Trial Garden.
- Colorado State University Heritage Arboretum: The Heritage arboretum is the main site for woody plant research trials in the region and contains more than 1,100 different plant taxa.
- Denver Botanic Gardens: Features themed gardens like a Japanese garden, South African Steppe garden, and an Alpine rock garden, along with a tropical conservatory.
- Cheyenne Botanic Gardens: Features the Shane Smith Grand Conservatory, Paul Smith Children’s Village, and extensive gardens showcasing diverse plant collections.
- High Plains Arboretum: A historic 62-acre site where hardy trees, shrubs, and flowers were tested for survival in the High Plains’ challenging climate.
- Nix Native Plant Garden: This garden showcases a variety of native plants and provides design and planning tips for incorporating these species into home landscapes. It is located at the Natural Areas Department’s offices on Hoffman Mill Road. More information is available on the City of Fort Collins website.
- Horsetooth Mountain Open Space: While not a traditional garden, this open space offers stunning wildflower hikes, especially around Horsetooth Falls, where you can see beautiful wildflowers in their natural habitat. Learn more at Horsetooth Mountain Open Space.