80-100 days. Get back to basics with this treasured heirloom. Gardeners have been growing Stowell's Evergreen since the mid-1800s, and enjoying its sweet, old-fashioned goodness. Named for its breeder, Nathan Stowell, and evergreen because it holds its fresh taste in the field. Tall, 8-10 foot stalks bear 8 inch ears with 16-18 rows of tender, creamy white kernels.