From Friends of Oak Park Conservatory and the Garden Club of Oak Park and River Forest:

Enjoy an exciting self-guided tour of select private gardens and one public garden in Oak Park and River Forest. The walk will take place rain or shine. This is a joint venture of the Garden Club of Oak Park and River Forest (GCOPRF) and the Friends of the Oak Park Conservatory (FOPCON) and benefits the missions of both groups. Members receive a discount on tickets. 

Start at Oak Park Conservatory or Cheney Mansion.

Maker reservations here: https://secure.lglforms.com/form_engine/s/e2mwmNQyw8bDVc444MZRQg