Corn

Basic Information

Seed Number

186

Seed Name

Corn

Variety

Unknown

Category

Vegetable

Plant Family

Poaceae

Plant Type

Corn (Zea mays)

Planting Method

Direct Sow

Seed Status

In Seed Bank

Created

2026-08-14 00:50:34

Updated

2026-08-19 15:35:29

Planting Information

Start Planting Date

May 15

Last Recommended Planting Date

Jun 30

Plantable Months

May, June

Indoor Start

Not recorded

Direct Sow

May 15 – Jun 30

Transplant

Not Recommended

Indoor Start Weeks Before Frost

Not Recommended

Transplant Weeks After Frost

Not Recommended

Germination Days

5–10 days

Harvest/Maturity

Not recorded

Succession Planting

Not recorded

Growing Conditions

Ideal Soil Temperature

60°F+

Planting Depth

1-2 in

Plant Spacing

8-12 in

Row Spacing

24-36 in

Thin-To Spacing

8-12 in

Sun Requirements

Full sun

Water Needs

Maintain regular moisture, especially during tasseling, silking and kernel development

Soil Preference

Fertile, well-drained soil with adequate nitrogen

Minimum Container Size

Not recorded

Plant Height

Not recorded

Perennial/Biennial Status

Annual

Container Friendly

No

Trellis/Support Needed

No

Frost Tolerant

No

Heat Tolerant

Yes

Drought Tolerant

No

Pollinator Friendly

No

Medicinal

No

Garden Uses

Companion Planting

Storage

Seed Source/Brand

MSU Extension

Packet Year

Not recorded

Quantity Notes

Not recorded

Purchase Date

Not recorded

Expiration Year

Not recorded

Storage Box

Not recorded

Container

Not recorded

Envelope

Not recorded

Row

Not recorded

Slot

Not recorded

Storage Notes

Not recorded

Notes

Original Planting Method: Direct sow in blocks after soil warms
Outdoor / Direct Sow / Transplant Window: May 15 – Jun 15
Germination Time: Usually about 5–10 days in warm soil
Days to Harvest / Bloom: Unknown; corn varieties can range roughly 60–110+ days
Container Friendly: Not recommended
Pollinator Friendly: No; wind-pollinated
Medicinal / Herbal Use: Culinary/ornamental use depends on the unknown corn type
Perennial?: No; annual
Succession / Reusable Notes: Do not plan a late succession until the type/maturity is identified.
Zone 6B Notes: Use a conservative last planting date because the variety could be long-season.
Companion Plants: Beans, squash, cucumbers, melons, pumpkins
Avoid Planting Near / Watch Outs: Type is unknown, so sweet/popcorn/dent maturity and harvest method cannot be determined. Plant in blocks; isolate flowering time from other corn if seed/crop purity matters.
Sources: MSU Extension: https://www.canr.msu.edu/resources/garden_planning_calendar

[[RESEARCH ENRICHMENT START]]
Zone 6B: Plant after frost when soil reaches at least about 60°F. Because the cultivar and corn class are unknown, planting by the end of June provides more time for an unknown maturity period.
Germination: Plant in a block of multiple short rows for wind pollination rather than one isolated row.
Harvest: Harvest method depends on whether this proves to be sweet corn, flour corn, flint corn, dent corn or popcorn, so no cultivar-specific harvest stage is assigned.
Seed Saving: Hybrid status and corn class are unknown. Corn also crosses readily with other Zea mays varieties, so seed-saving suitability cannot be determined safely.
Special Care: Because the variety is unknown, maturity, height, ear type, kernel color and specific culinary use are intentionally left null or generalized.
Research Source: University of Minnesota Extension — https://extension.umn.edu/vegetables/growing-sweet-corn — species-level corn planting after warm soil, block planting, spacing, fertility and irrigation principles
[[RESEARCH ENRICHMENT END]]