Photo by Melody

PlantFiles: Sweet Corn
Zea mays var. rugosa 'NK-199'

Family: Poaceae (poh-AY-see-ee) (Info)
Genus: Zea (ZEE-uh) (Info)
Species: mays var. rugosa
Cultivar: NK-199

» View all varieties of Corn


6-8 ft. (1.8-2.4 m)

15-18 in. (38-45 cm)

Seed Type:

Days to Maturity:
81 to 90 days

Kernel Color:

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed


2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive kywebfoot On Dec 27, 2005, kywebfoot from Marysville, IN wrote:

Very hard corn to beat for freezing or canning. I usually put up 50 or so whole ears and 3 gallons of kernels and by Febuary its gone. Great for fresh eating but like other su corns the sweetness fades fast.

Positive Gindee77 On Jun 15, 2005, Gindee77 from Hampton, IL (Zone 5a) wrote:

This is one of the best older sweet corn's there is, in my opinion. The ears are always full and even. It freezes and cans great but is best taken right off the stalk, shucked and dropped in boiling water!

Neutral Farmerdill On Sep 7, 2004, Farmerdill from Augusta, GA (Zone 8a) wrote:

An 82 day su hybrid yellow developed by Northrup King. Available from Gurneys. Ears are 8 inches with 18 - 20 rows.


This plant has been said to grow in the following regions:

Hampton, Illinois
Marysville, Indiana

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