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When to Plant Sweet Corn in Okfuskee County, OK

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.

Okfuskee County, Oklahoma is in USDA Zone 7b. The average last spring frost is April 4 and the first fall frost is October 27, giving you a growing season of approximately 206 days.

At an elevation of 486 feet, Okfuskee County receives approximately 24.3 inches of rainfall annually with predominantly loam soil. Summer highs average 94°F, providing good warmth for Sweet Corn during the growing season.

Okfuskee County, OK (Zone 7b) Long season
206 days
Last Spring Frost April 4
206 growing days
First Fall Frost October 27

Okfuskee County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Sweet Corn Planting Timeline — Okfuskee County, OK

Sweet Corn Planting Calendar

Activity When Date Range
Direct Sow April 11 Apr 11 – May 2
Harvest June 13 Jun 13 – Jul 25

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

Month-by-Month Timeline

MonthActivities
January
February
March
April Direct Sow
May Direct Sow
June Harvest
July Harvest
August
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 7b

📆 Growing Season

206 days in Okfuskee County

Growing Tips for Okfuskee 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 Okfuskee County, OK?

Okfuskee County is in Zone 7b with an average last frost of April 4. Plan your Sweet Corn planting based on this frost date — see the calendar above for exact timing.

What planting zone is Okfuskee County, OK?

Okfuskee County, Oklahoma is in USDA Hardiness Zone 7b. The average last spring frost is April 4 and first fall frost is October 27.

🌱

Your Okfuskee County Garden Planner — Free

A 22-page printable planner built for Okfuskee County (Zone 7b). 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 Okfuskee County, OK. Local conditions may vary. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.