Following are the markets that I know of.  If any info is incorrect please send me an e-mail.  If you know of others I do not have listed I would appreciate that info as well.

thanks

cricket

Allen Street Farmers Market
http://www.allenneighborhoodcenter.org/farm_market.html 
Wednesdays, 2:30 to 6:30 through Oct 29th
Corner of E Kalamazoo and Allen St

Meridian Township Farmers' Market
http://www.localharvest.org/farmers-markets/M13548
5151 Marsh Rd, Okemos
Saturdays 8am - 2pm May-October
Wednesdays 8am - 2pm July-October
Thanksgiving Market - the day before Thanksgiving 10am - 2pm

MSU Student Organic Farm
All organic produce at a stand on campus
Thursday 11AM to 5:30PM through November
Farm Ln in front of the MSU Auditorium

Holt Farmers' Market
http://www.holtfarmersmarket.org/
Thursday 4:00 p.m. - 7:30 p.m.
Saturday 8:00 a.m. - 2 p.m.
2150 Cedar Street, Holt, in the old fire station building