1. Show Dates and Times
  2. View the butterflies live!
  3. Show Location
  4. Accessibility
  5. Public Transit
  6. Parking
  7. The Butterflies are Free: Donations Welcome
  8. Lost and Found
  9. Group Tours
  10. Contact Us

Every year the Carleton University Biology Department hosts its annual Butterfly Show.  During the 9 days leading into the Thanksgiving weekend, over 1300 live exotic butterflies are released into the Nesbitt Biology Building greenhouses.  The public is invited to come visit these beautiful creatures and learn more about them.

Show Dates and Times

Saturday, October 5th, 2019, through Sunday, October 13th, 2019

Daily hours are 9:00 a.m. – 3:00 p.m.

Note: the wait time before entering the greenhouse can be up to 2 to 3 hours. Large groups and those with special needs must take this into consideration.


View the butterflies live!

The butterflies have taken over the Carleton Biology Greenhouse once again! Enjoy this live feed of our new visitors! Or visit our YouTube channel for past feeds; Carleton Biology Butterfly Show!

Show Location

The show takes place in the Nesbitt Biology Building, located in the south-east corner of Carleton University Campus. Carleton University is located between Colonel By Dr. and Bronson Ave. along the Rideau canal.


If you have special needs, please identify yourself on arrival. We have many volunteers on-site who may be able to assist you.

The greenhouses are accessible for standard sized wheelchairs, but many of the corners in the greenhouses are too tight for mechanized wheelchairs.  Note: There are often many people around during the show, so maneuvering a wheelchair through the greenhouses can be challenging.

  • The maximum width for entry into the greenhouse display is 81 cm.
  • Within the greenhouse, the width between the benches (that hold the tropical plants) is 86 cm.

Public Transit

Carleton is accessible through public transit via OC Transpo routes 7, 10, 104, and 111, as well as the O-Train.  The O-Train provides service to Carleton University from the transit stations at Bayview (Lebreton Flats) and Greenboro (South Keys) with stops at Carling and Mooney’s Bay.


Visitor parking is available. Please see the parking map and refer to the rates.

The Butterflies are Free: Donations Welcome

The Butterfly Show is free and open to the public, although we rely on your generous donations to keep it running year after year.

Donations can be made:

  1. Online, using Carleton University’s secure FutureFunder platform
  2. In-person, with a cash/cheque donation in the main lobby of the Nesbitt Building during Butterfly Show hours


Lost and Found

At the end of everyday any items left behind will be sent to the campus lost and found.

Group Tours

All Tours for the 2019 Butterfly show are booked!! We look forward to see you all on the week of Monday October 7th, 2019, through Friday, October 11th, 2019

Please e-mail events.letstalkscience@gmail.com to book all tours.

See Tour FAQ for more details.

Contact Us

Business Hours: Monday to Friday 8:30 a.m. – 12:00 p.m. & 1:00 – 4:30 p.m.