The Stop is an awesome organization offering a range of outstanding 'critical and innovative anti-poverty and anti-hunger programs', including quality events, resources, community food, gardens, classes, education/training & much more.

Tuesdays: for more affordable produce The Stop's Good Food Market happens weekly on Tuesday afternoons @ 1884 Davenport (rear entrance via Symington) (take the Symington bus from Dundas West subway station & get off @ Davenport), offering mostly local, and some organic food. It's year round - check the website for hours + to learn more about it. (The Good Food Market is subsidized by FoodShare (http://foodshare.net/index.htm) & volunteers who work at the market): http://thestop.org/good-food-market-and-bake-oven

Saturdays: Their regular Farmers Market happens on Saturdays @ the Green Barn (Barn #4) @ Wychwood Barns, 601 Christie St. (at St. Clair): http://thestop.org/the-stop%27s-farmers%27-market

Monthly: "Food for Change": every month their greenhouse is turned into a five star restaurant. *They offer catering too.
http://thestop.org/events/food-for-change

Foodshare subsidizes Good Food Markets in other locations in the city as well, visit
http://foodshare.net/animators02.htm
http://foodshare.net/animators04.htm#gfm