With such better weather in Chicago brings one of the main staples of a city like ours, Farmers Markets!
Block Club Chicago has done the work too and put together an extensive list of farmers markets around the city. This list has a farmers market for pretty much every neighborhood in Chicago, what times they are open for, what date they are going to , and what types of payments they accept.
If you want to know what farmers market is near you or which ones you can visit around the city, head on over to the main article here.