Ambrosia Sweet Corn: ( 75 Days ) Ambrosia is a sugar enhanced sweet corn. It is a bicolor corn with a checkerboard pattern of white and yellow. Ears are 8-inch-long, with kernels that are plump, juicy, and savory-sweet. This variety retains its sweetness for up to 10 days after harvest. Plants grow 6 1/2 feet tall. Great for home garden, roadside stand and fresh market.