Corn With 3 Stalks . Corn stalk may refer to: Corn takes from 55 to 75 days to mature from seed. Corn Stalks 3 naturechirp from naturechirp.com Common stalk borer caterpillars are distinctive and easier to identify than the adults. One corn plant, given adequate growing conditions, will produce between two and four ears of corn. Plays while browing this site.