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THE INTERNATIONAL WATERLILY & WATER GARDENING SOCIETY

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  • Home
  • About Us
    • Our History
    • Board Members
    • Hall of Fame
    • In Memoriam
  • Aquatic Plants
    • Aquatic Plant Photos
    • Plant Database
    • Invasive Species
    • IWGS Certified Collections
    • Nymphaea & Nelumbo Registration
    • Victoria Conservancy
  • Resources
    • Articles
    • Library Books
    • Journals
    • Speakers Bureau
    • Water Garden Clubs
    • Public Gardens
    • Websites & Blogs
  • News & Events
    • News & Events
    • Competitions
    • Symposium
    • IWGS Webinars
  • Membership
    • Join Us
    • Commercial Members
    • Botanic Garden Members
    • Affiliate Society Members
    • IWGS Member Resources
  • Contact Us
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2026 IWGS Full Symposium Registration

  • The International Waterlily & Water Gardening Society invites you to register for the 2026 IWGS Symposium to be held in St. Louis, MO, USA from August 18th to 21st, 2026.

    The Early Bird Registration has ended. The non-member registration fee of $695 USD per person includes the Symposium fee, education and events, bus rides, and many of the meals.

    If you are a paid IWGS member, please ensure you are logged in to get the special IWGS member rate.

    Please refer to the symposium webpage for additional details.

    Hotel rooms are not included in this symposium price. Hotel Booking information can be found by clicking on the symposium page.

    Please note that the Symposium cost and the hotel cost is in USD. (Hotel cost is payable directly to the hotel).

    Symposium attendees will receive a list with all the Registrants' contact details.

    Plan to arrive Tuesday afternoon August 18th for the main Registration and our Evening Reception.
  • *Conference Cancellation & Refund Policy:

    There are no refunds after July 18, 2026. Cancellations on or before July 18th will incur a $50 USD administrative fee.

    The terms incorporate our website privacy policy.
  • This field is hidden when viewing the form
  • Please note any special dietary needs and/or preferences below. If you have more than one restriction, please enter the information in "Other Information".
  • You will be directed to Paypal when you submit this form. Note: You will receive a copy of the form in a confirming email after your form is submitted and payment received.

  • How many IWGS Symposiums have you attended in the past?
  • One Main Symposium fee will be at a reduced rate (less 15%)
  • Your company’s name will appear as a Silver Sponsor in the Symposium program with a business-card size placement and you will be listed as a Silver Sponsor on all Symposium communications (excluding PowerPoint presentations). You may post your company’s logo and marketing materials in the Symposium Hospitality Suite, and you may include one item of company literature and a promotional object in the welcome bags for Symposium attendees.

    Your $500 sponsorship also gives you the benefits of ‘Victoria Level’ Commercial Membership, including the 15% discount on the main symposium rate for one person which we will automatically deduct here.

    We have other sponsorship opportunities. If you are already a Victoria Level member, or would like to upgrade your Victoria Level/Silver Sponsorship to a higher level, please contact us at webmaster@iwgs.org to arrange your discounted rate.

  • Non-member registration
    Price: $0.00
  • Member registration
    Price: $0.00
  • Non-member registration + silver
    Price: $0.00
  • Member registration + silver
    Price: $0.00
  • $0.00

  • Questions concerning the symposium can be directed to: Jeannie Suffern at aqualine.aquatic@gmail.com
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NEWS & EVENTS

Plant Profile: Slender-petaled Waterlily – Nymphaea gracilis – by Tomy Escribano

July 29, 2026

Plant Profile Slender-petaled Waterlily Nymphaea gracilis By Tomy Escribano Read the full article here This article is taken from the Water Garden Journal Spring 2026 Vol. 41-2 issue.

Read The Whole Story about Plant Profile: Slender-petaled Waterlily – Nymphaea gracilis – by Tomy Escribano

The Summer 2026 Water Garden Journal is out now!

July 29, 2026

The Summer issue of the Water Garden Journal has been published. To access Vol 41-2 , go to the  Water Garden Journal page. Please note that you must be an IWGS member to access the Journal. IN THIS ISSUE On the Cover “Angel Musicians” (1950) by Carl Milles above the…

Read The Whole Story about The Summer 2026 Water Garden Journal is out now!

The 2026 Spring Issue of the Water Garden Journal is Published.

May 2, 2026

The Spring issue of the Water Garden Journal has been published. To access Vol 41-1 , go to https://iwgs.org/journals/, or click on the Resource Tab of this web page.Please note that you must be an IWGS member to access the Journal.

Read The Whole Story about The 2026 Spring Issue of the Water Garden Journal is Published.

The Autumn Issue of the Water Garden Journal is Published.

October 19, 2025

The Autumn issue of the Water Garden Journal has been published. To access Vol 40-3 , go to https://iwgs.org/journals/, or click on the Resource Tab of this web page.Please note that you must be an IWGS member to access the Journal.

Read The Whole Story about The Autumn Issue of the Water Garden Journal is Published.

Hall of Fame 2025 – Kelly Billing

October 19, 2025

On August 15, 2025, Kelly Billing was inducted into the IWGS Hall of Fame. Congratulations, Kelly! As they say, “You’ve come a long way, Baby!” I don’t know a more step-up/can-do/engaged and advocating crusader for our water gardening industry. Read full article here.

Read The Whole Story about Hall of Fame 2025 – Kelly Billing

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About the IWGS

Welcome to the International Waterlily and Water Gardening Society (IWGS) … your primary resource for water gardening and all the beautiful waterlilies and aquatic plants associated with this relaxing and rewarding hobby.

The International Waterlily & Water Gardening Society is a non-profit organization of multinational membership dedicated to the furtherance of all aspects of water gardens and their associated plants. As an organization we support and promote education, research, and conservation in these areas.

Mailing address: International Waterlily and Water Gardening Society, P.O. Box 428, Unionville, PA 19375, USA

Email: Info@iwgs.org.

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