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Northern Xtra-Sweet Xtra-Sweet™

Northern Xtra Sweet (YW/ 67d) is one of the earliest supersweet hybrids on the market. Northern Xtra-Sweet has been a staple in the fresh and garden markets for many years and has proven to be a grower friendly corn.


  • Good seedling vigor
  • Excellent ear size
Traits Description Data*
Kernel Color Yellow YW
Maturity (Days) 67
Plant Height (Inches) 62
Ear Height (Inches) 18
Number of Kernels per Row 12 - 14
Ear Length (Inches) 8.50 - 9.25
Ear Diameter (Inches) 1.80 - 2.00
Husk Color Medium Green 4

1: Very Dark Green
2: Dark Green
3: Medium - Dark Green
4: Medium Green
5: Medium - Light Green
6: Light Green
7: Very Light Green

Flag Leaves Moderate Flag Leaves 5

1: Exceptional Flag Leaves
2: Excellent Flag Leaves
3: Very Good Flag Leaves
4: Good Flag Leaves
5: Moderate Flag Leaves
6: Weak Flag Leaves

Husk Protection Weak Coverage 6

1: Excellent Coverage
2: Very Good Coverage
3: Good Coverage
4: Adequate Coverage
5: Moderate Coverage
6: Weak Coverage

Shank Compact Medium Shank Length 3

1: Very Compact Shank Length
2: Compact Shank Length
3: Compact Medium Shank Length
4: Medium Shank Length
5: Medium Long Shank Length
6: Long Shank Length
7: Very Long Shank Length

Tenderness Firm Pericarp; Xtra-Sweet Quality 6

1: Exceptional Tenderness; Reserve Quality
2: Excellent Tenderness; Reserve Quality
3: Very Good Tenderness; Xtra-Tender Quality
4: Good Tenderness; Xtra-Tender Quality
5: Moderate Tenderness; Shipping Quality
6: Firm Pericarp; Xtra-Sweet Quality

Sweetness Moderate Sweetness & Flavor 5

1: Exceptional Sweetness & Flavor
2: Excellent Sweetness & Flavor
3: Very Good Sweetness & Flavor
4: Good Sweetness & Flavor
5: Moderate Sweetness & Flavor

*Data are representative summaries for hybrid evaluations in Champaign, IL and Plover, WI. Ordinal ratings are on a scale of 1 to 9, where 1 indicates the best value.

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