Forest Preserve District of Cook County

6100 N. Central, Chicago, IL 60646
(773) 631-1790
volunteerFDP@cookcountyil.gov
http://fpdcc.com/

Gardeneers 

Multiple locations, http://gardeneers.org/get_involved
Adam Zmick, adamzmick@gmail.com
Contact online, http://gardeneers.org/contacts/new
http://gardeneers.org/

Oak Park Conservatory

615 Garfield Street, Oak Park, IL 60304
Kathy McNamara, Volunteer Coordinator, coordinator@fopcon.org
(708) 725-2460 or (708) 725-2400
 www.fopcon.org/

Plant Chicago 

1400 W. 46th Street, Chicago, IL 60609
(773) 847-5523
info@plantchicago.org
www.plantchicago.com

Save the Prairie

11225 Constitution Drive, Westchester, IL 60154
(708) 562-3280
info@savetheprairiesociety.org
www.thesavetheprairiesociety.org

Trailside Museum

738 Thatcher Avenue, River Forest, IL 60305
(708) 366-6530
http://fpdcc.com/nature-centers/hal-tyrell-trailside-museum

Urban Habitat Chicago

Various places around Chicago
3409 N. Hamlin Avenue, Chicago, IL 60618-5215
Contact online: http://turningthepage.org/contact-us/
www.urbanhabitatchicago.org