Photo by Melody

PlantFiles: Sweet Corn
Zea mays 'Hawaiian Supersweet #9'

Family: Poaceae (poh-AY-see-ee) (Info)
Genus: Zea (ZEE-uh) (Info)
Species: mays (maze) (Info)
Cultivar: Hawaiian Supersweet #9

» View all varieties of Corn


4-6 ft. (1.2-1.8 m)

6-9 in. (15-22 cm)
9-12 in. (22-30 cm)

Seed Type:
Open Pollinated

Days to Maturity:
71 to 80 days

Kernel Color:

Soil pH requirements:
6.6 to 7.5 (neutral)

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive sethy On Jul 31, 2004, sethy from Hana, HI wrote:

I can't believe no one's posted about this corn yet! Out here in Hawaii, you can grow #9 almost year-round. Its ability to grow in all seasons baffles me and I want to do work growing a more nutty rich corn, perhaps with some beautiful coloration, and breeding in #9's ability to grow in October, and in January.


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

Hana, Hawaii

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