Central States Dahlia Society
Central States Dahlia Society is proud to host the 2025 ADS National Dahlia Show and to welcome dahlia enthusiasts from around the world to Chicago on September 18 - 22, 2025!
Registration Update (updated 4/30)
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As of 4/30, all registration spots are sold out.
If you want to be put on the waitlist for any type of registration, please complete the online registration. Enter your contact information on the first page, select registration type on the second page, keep pressing Next until you press Submit on the last page. Make sure you press Submit. When the checkout page comes up, just X out of it. If you are offered a spot off the waitlist, you will register again with all your actual choices at that time.
​Please read this important update for details about all the changes. Please see the update regarding hotel availability.​ (updated 4/28)
Learn everything you need to know about the show in the Registration Brochure (updated 4/18). Please review the registration update effective 4/26 for changes not reflected in the Registration brochure.
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All these links are included in the brochure but here are quick links if you are looking for sp​​​​ecific information:​
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​2025 ADS National Show Tours updated 4/18; changed to reflect sold-out tours; Chicago tour is now also sold out. See online registration for up-to-date tour status.
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*** NEW: 2025 Challenge Blooms and Guidelines
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*** UPDATED: Photography Competition Rules updated 5/19 to require entries be submitted by 8:00 am on 9/20; please note the requirement that photos be displayed in 11x14 mats​
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Artistic Design Rules updated 4/18; changed to reflect maximum of 2 design classes
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2025 Show Schedule (coming soon)
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Online Registration Link (preferred)
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Registration Form (mail in) updated 4/18; changed to reflect sold-out tours. If you want to register with the new Limited option for $60, please write that in.​​​​​​​​​​​
The 2025 Show is limited to 300 participants so make your plans and secure your spot today! Online registration is available for credit card payments (preferred). If needed, you can print a copy of the registration form and mail it in with your check to the address listed on the bottom of the form.
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Not ready to decide? Sign up for email updates to be the first to know when new information about the 2025 Show is available for conference attendees and exhibitors.​​​
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Questions? Contact us at csds2025show@gmail.com.
We look forward to hosting you
in Chicago
September 18 - 22, 2025!
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Come be a part of dahlia history!
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Photo by Maria Rebelo
Hotel Information
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Reserve your hotel room now at the Renaissance Chicago North Shore Hotel in Northbrook, IL. Rooms are $115 plus tax per night. ​Book using the group rate for 2025 ADS National Show. Learn more about the hotel (part of the Marriott family) and its amenities here. ​​​​​
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Looking for a place to eat? Explore a wide variety of dining options within a few minutes of the hotel.
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Want to extend your stay and make it a vacation? Here are additional ideas of things to do in the area.
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Show Venue
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The Chicago Botanic Garden, a 385-acre living plant museum, will serve as the stunning backdrop for the dahlia show. It is situated in Glencoe, about 20 miles north of downtown Chicago and less than 2 miles from Lake Michigan. Discover what CBG offers in this video and on their website.
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Transportation
It will be possible to attend the National Show without renting a vehicle.
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Uber or taxis from O'Hare Airport are about $80 each way while Midway Airport will cost approximately $120 each way (depending on day and time).
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There will be scheduled transport between the Renaissance Hotel and Chicago Botanic Garden (CBG) on Thursday thru Sunday at times that make sense for the Show. Attendees can call for pick up or return to the Renaissance Hotel in addition to scheduled times. The actual transport schedule will be firmed up a month before the show.
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Tours will include bus transport.
Attendees can visit other Chicago sites by renting cars, calling outside transport, or utilizing public transportation such as CTA subway trains (known as the "L") or Metra suburban trains.
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Subscribe for Updates​
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Sign up for email updates and be the first to know when new information about the 2025 Show is available for conference attendees and exhibitors.
If you are interested in the public displays on September 20 and 21, sign up for email updates here.
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Save the Date cards for exhibitors and conference attendees:
Banner design, card design, and dahlia photos: Vida Wu
Logo design: Larry Cole
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