Order 2016 Almanac Now - Get 3 FREE Gifts
It may be a pollinationIt may be a pollination issue. Corn grows best in a block system--four short rows instead of long individual rows--as the pollen (which is carried by wind) can better reach the silk to fill out the ears. At this stage, you could try hand pollinating by rubbing the tassles on the new silk. Also, corn is a heavy feeder and drinker. Side dress your crop with a high-nitrogen fertilizer.

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