Buy the 2015 Old Farmer's Almanac!
Planting corn before June 1Planting corn before June 1 is ideal for good yield in your area.  The dates of maturity depend on the variety but they range from 45 days to 75 days.

2015 Special Edition Garden GuideCooking Fresh with The Old Farmer's AlmanacThe Almanac Monthly Digital MagazineWhat the heck is a Garden Hod?