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When to Plant Edamame in Sequoyah County, OK

Edamame are soybeans harvested at the immature green stage for a sweet, nutty snack. They are high in protein and easy to grow in warm climates.

Sequoyah County, Oklahoma is in USDA Zone 7b. The average last spring frost is March 28 and the first fall frost is November 4, giving you a growing season of approximately 221 days.

At an elevation of 786 feet, Sequoyah County receives approximately 32.8 inches of rainfall annually with predominantly loam soil. Summer highs average 90°F, providing good warmth for Edamame during the growing season.

Sequoyah County, OK (Zone 7b) Long season
221 days
Last Spring Frost March 28
221 growing days
First Fall Frost November 4

Sequoyah County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.3

Drainage

Well Drained

Monthly Watering Guide for Edamame

Edamame needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Edamame Needs Rainfall You Supplement Action
Jan 0.9" 0" ❄️ Dormant
Feb 1.2" 0" ❄️ Dormant
Mar 4.3" 1.8" 2.5" 🚿 Regular watering
Apr 4.3" 3.4" 0.9" 💧 Light watering
May 4.3" 4.8" 0" ✅ Rainfall sufficient
Jun 4.3" 5.3" 0" ✅ Rainfall sufficient
Jul 4.3" 3.8" 0.5" 💧 Light watering
Aug 4.3" 4.2" 0.1" 💧 Light watering
Sep 4.3" 2.8" 1.5" 💧 Light watering
Oct 4.3" 2.4" 1.9" 💧 Light watering
Nov 4.3" 1.2" 3.1" 🚿 Regular watering
Dec 0.9" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Sequoyah County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Edamame Planting Timeline — Sequoyah County, OK

Edamame Planting Calendar

Activity When Date Range
Direct Sow April 4 Apr 4 – Apr 25
Harvest June 20 Jun 20 – Aug 1

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

75–100 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 7b

📆 Growing Season

221 days in Sequoyah County

Growing Tips for Sequoyah County

Direct sow after soil is warm. Do not over-fertilize with nitrogen. Harvest when pods are plump and bright green but before they start to yellow. Steam or boil pods before eating.

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 Edamame in Sequoyah County, OK?

Sequoyah County is in Zone 7b with an average last frost of March 28. Plan your Edamame planting based on this frost date — see the calendar above for exact timing.

What planting zone is Sequoyah County, OK?

Sequoyah County, Oklahoma is in USDA Hardiness Zone 7b. The average last spring frost is March 28 and first fall frost is November 4.

🌱

Your Sequoyah County Garden Planner — Free

A 22-page printable planner built for Sequoyah 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 Sequoyah 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.