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When to Plant Soybeans in Greer County, OK

Soybeans (edamame) are a high-protein legume that fixes nitrogen in the soil. Fresh green soybeans harvested at the edamame stage are a nutritious snack.

Greer County, Oklahoma is in USDA Zone 7b. The average last spring frost is April 6 and the first fall frost is November 4, giving you a growing season of approximately 212 days.

At an elevation of 602 feet, Greer County receives approximately 34.5 inches of rainfall annually with predominantly loam soil. Summer highs average 92°F, providing good warmth for Soybeans during the growing season.

Greer County, OK (Zone 7b) Long season
212 days
Last Spring Frost April 6
212 growing days
First Fall Frost November 4

Greer County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Soybeans Planting Timeline — Greer County, OK

Soybeans Planting Calendar

Activity When Date Range
Direct Sow April 13 Apr 13 – May 4
Harvest July 6 Jul 6 – Aug 31

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

80–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 7b

📆 Growing Season

212 days in Greer County

Growing Tips for Greer County

Direct sow after soil warms to 60F. Plant in blocks rather than rows for better pollination. Harvest for edamame when pods are plump and bright green.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Soybeans in Greer County, OK?

Greer County is in Zone 7b with an average last frost of April 6. Plan your Soybeans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Greer County, OK?

Greer County, Oklahoma is in USDA Hardiness Zone 7b. The average last spring frost is April 6 and first fall frost is November 4.

🌱

Your Greer County Garden Planner — Free

A 22-page printable planner built for Greer 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.

Instant PDF download. No spam, unsubscribe any time.

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

Sources & credits

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