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When to plant Sweet Corn in Cheyenne County, KS

Plant Sweet Corn in Cheyenne County after May 4; the prime window is May 11–June 1.

When to Plant Sweet Corn in Cheyenne County, KS

Sweet corn is bred for high sugar content in its kernels, which convert to starch rapidly after harvest. Modern supersweet varieties hold their sweetness longer.

Cheyenne County, Kansas is in USDA Zone 6a. The average last spring frost is May 4 and the first fall frost is October 9, giving you a growing season of approximately 158 days.

At an elevation of 967 feet, Cheyenne County receives approximately 24.3 inches of rainfall annually with predominantly loam soil. Summer highs average 86°F, providing good warmth for Sweet Corn during the growing season.

Cheyenne County, KS (Zone 6a) Moderate season
158 days
Last Spring Frost May 4
158 growing days
First Fall Frost October 9

Cheyenne County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Sweet Corn Planting Timeline — Cheyenne County, KS

Sweet Corn Planting Calendar

Activity When Date Range
Direct Sow May 11 May 11 – Jun 1
Harvest July 13 Jul 13 – Aug 24

Plant 1" deep · 12" apart · Rows 36" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Direct Sow
June Direct Sow
July Harvest
August Harvest
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

158 days in Cheyenne County

Growing Tips for Cheyenne County

Plant in blocks of at least 4 rows for wind pollination. Direct sow after soil is warm. Isolate supersweet varieties from other corn types to prevent cross-pollination.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Sweet Corn in Cheyenne County, KS?

Cheyenne County is in Zone 6a with an average last frost of May 4. Plan your Sweet Corn planting based on this frost date — see the calendar above for exact timing.

What planting zone is Cheyenne County, KS?

Cheyenne County, Kansas is in USDA Hardiness Zone 6a. The average last spring frost is May 4 and first fall frost is October 9.

When should I plant Sweet Corn in Cheyenne County, KS?

In Cheyenne County, KS, plant Sweet Corn after the last frost (around May 4) and before the first frost (around October 9). Best results when soil holds above 50°F.

What growing zone is Cheyenne County, KS for Sweet Corn?

Cheyenne County sits in USDA Zone 6a. Sweet Corn grows reliably in zones 3a through 11b, so it's a good fit here.

Can Sweet Corn grow in Cheyenne County's climate?

Yes — Sweet Corn grows well in Cheyenne County's temperate climate. Cheyenne County averages a 158-day frost-free season, with last frost around May 4 and first frost around October 9.

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Your Cheyenne County Garden Planner — Free

A 22-page printable planner built for Cheyenne County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Cheyenne County, KS. Local conditions may vary. Last updated: June 2026.

Sources & credits

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