Thursday evenings are special at the Chicago Botanic Garden, beginning February 12th through March 19, 2020. Make a luminous night of it at 'Orchids After Hours' with cocktails and light bites for purchase, and 10,000 blooming orchids at the Orchid Show. The Garden Shop will be open late on Thursdays, and will offer special deals. Enter any time between 4:00 PM —7:30 PM. Must be 21 years of age or older with valid ID.