Some sweet corn varieties are sweeter than others, depending on whether one or both of their parents were sugary enhanced. Varieties that get the ‘se’ gene from both their parents are homozygous for that trait, or ‘double se,’ and all of their kernels have the se characteristics. Typically a homozygous se will have better eating quality than a heterozygous se.

Endosperm Types

Sugary (su): Kernals – 100% normal
Sugary Enhanced (se): Kernals – heterozygous (se-su) – 50% sugar enhanced; homozygous (se-se) – 100% sugar enhanced
Supersweet (sh2): Kernals – 100% supersweet
Triplesweet® (sy): Kernals – 75% sugar enhanced; 25% supersweet

Sweet corn comes in three colors: yellow, white and bicolor (yellow and white). Cross pollination of yellow kernel varieties with white kernel varieties will result in production of bicolor corn. If a bicolor is cross pollinated with a yellow variety, kernel color will be mostly yellow. Although there are regional preferences for certain kernel colors, there is no relationship between color and sweetness.

Seeding Rate:
Alone (lbs./acre): 10
Seeds/lb.: 1,900
Depth (in.): 1-1½

Planting Time: Soil temp should be at least 60-65 F
Soil temp should be at least 60-65 F
Emergence (days): 4-7
Life Cycle: Annual

Sweet Corn Products