Upcoming Events
November Meeting
Ben Oliveros of Orchid Eros on the Big Island of Hawaii, joins us in person to present on “Bifoliate Orchid Species.”
Members’ Holiday Party at Hausermann
Gather and meet old and new friends, and enjoy the sights of Hausermann's amazing greenhouse. Join us for an enjoyable potluck luncheon, our show-and-tell tables of members’ orchids in bloom, and orchid-themed Sneaky Santa gift exchange.
Illinois Orchid Society Fall Show
The IOS fall show will take place October 10-11 at the Chicago Botanic Garden.
September Meeting
Nicholas Rust of RustyExotics Orchids joins us to present on “Terrestrials.”
Chicagoland Orchid Fest
The 32nd annual Chicagoland Orchid Festival is taking place Sept. 19-21 at Orchids by Hausermann and Natt's Orchids. This is a great opportunity to visit two of our premier local orchid nurseries, meet a variety of guest vendors, and see presentations by orchid experts.
August Meeting
Tomas Bajza, creator of Tarzane Group, joins us as our special guest. Tomas will speak on “Miniature Orchid Garden of the World, Ecuador.”
AOS Chicago Judging Center Meeting
A judging session of the American Orchid Society will take place on Saturday, August 8th at the Chicago Botanic Garden.
July Meeting
Dr. Kay Perry, AOS Judge, joins us for “Orchids, Friendships, Conservation, and Science: Four Days at the 24th World Orchid Conference in Dresden.”
AOS Chicago Judging Center Meeting
A judging session of the American Orchid Society will take place on Saturday, July 11th at the Chicago Botanic Garden.
Summer Picnic at Natt's Orchids
Join us at Natt’s Orchids for our summer picnic. Meet old friends and new as you walk through Natt’s greenhouse, shop for some special orchids, and enjoy lunch. Bring your orchids in bloom.
AOS Chicago Judging Center Meeting
A judging session of the American Orchid Society will take place on Saturday, June 13th at the Chicago Botanic Garden.
AOS Chicago Judging Center Meeting
A judging session of the American Orchid Society will take place on Saturday, May 9, at the Chicago Botanic Garden.
May Meeting
Join us for our May meeting as we welcome guest speaker Tim Culbertson, who will be speaking on soft-leaved orchids.
April Meeting
Join us for our April meeting, and bring your blooming orchids for ribbon judging.
AOS Chicago Judging Center Meeting
A judging session of the American Orchid Society will take place on Saturday, April 11th at the Chicago Botanic Garden.
Chicago Suburban Orchid Show
The Batavia Orchid Society is hosting the Chicago Suburban Orchid Show at Cantigny Park in Wheaton. The IOS will have a display, showing off many beautiful orchids grown by our members.
Illinois Orchid Society Spring Show
The IOS spring show will take place March 14-15 at the Chicago Botanic Garden.
Wisconsin Orchid Society Show
The Wisconsin Orchid Society’s spring show will take place March 7-8 at Milaeger’s in Racine, Wisconsin.
AOS Chicago Judging Center Meeting
A judging session of the American Orchid Society will take place on Saturday, February 14th at the Chicago Botanic Garden.
2026 IOS Dinner, Auction, and Private Preview of The Orchid Show
Our annual Illinois Orchid Society dinner and auction will take place on Saturday evening, February 7th. Members will enjoy a preview of the Chicago Botanic Garden’s orchid show, a potluck dinner, and silent and live auctions benefitting orchid conservation.
Orchid Quest Presented by Orchid Growers Guild
Our first away show in 2026 will be Orchid Quest, hosted by the Orchid Growers Guild, in Madison, Wisconsin.
January Meeting
At our first meeting of the year, we are honored to be joined by Harold Koopowitz, Ph.D., who will be speaking about Disa orchids.
AOS Chicago Judging Center Meeting
A judging session of the American Orchid Society will take place on Saturday, January 11th at the Chicago Botanic Garden.
Members’ Holiday Party at Hausermann
Gather and meet old and new friends, and enjoy the sights of Hausermann's amazing greenhouse. Join us for an enjoyable potluck luncheon, our show-and-tell tables of members’ orchids in bloom, and an orchid-themed Sneaky Santa gift exchange.
AOS Chicago Judging Center Meeting
A judging session of the American Orchid Society will take place on Saturday, December 13th at the Chicago Botanic Garden.
November Meeting
Jason Fischer of Orchids Limited joins us to discuss “Stanhopeinae Orchids and their Culture.”
AOS Chicago Judging Center Meeting
A judging session of the American Orchid Society will take place on Saturday, November 8th at the Chicago Botanic Garden. Interested observers are welcome.
Eastern Iowa Orchid Society Show and Sale
Orchids are a Scream 2025 will be hosted by the Eastern Iowa Orchid Society November 1-2, 2025.
AOS Chicago Judging Center Meeting
October’s judging session of the American Orchid Society will be held on Saturday, October 11th at the Illinois Orchid Society’s fall show.
Illinois Orchid Society Fall Show
The IOS fall show, “Orchid Odyssey,” will take place October 11-12 at the Chicago Botanic Garden.
Chicagoland Orchid Fest
The 32nd annual Chicagoland Orchid Festival is taking place Sept. 19-21 at Orchids by Hausermann and Natt's Orchids. This is a great opportunity to visit two of our premier local orchid nurseries, meet a variety of guest vendors, and see presentations by orchid experts.
September Meeting
Join us for the September meeting to learn about the orchid conservation work of Lawrence Zettler, Ph.D. and his team. Our main presentation will feature IOS past president Barry Lubin on “Growing Orchids Under Lights,” with fellow IOS member Julie Hall.