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When to Plant Cowpeas in Archer County, TX

Cowpeas (black-eyed peas) are a heat-loving legume that fixes nitrogen in the soil. They are drought-tolerant and produce protein-rich pods in hot conditions.

Archer County, Texas is in USDA Zone 8a. The average last spring frost is March 20 and the first fall frost is November 15, giving you a growing season of approximately 240 days.

At an elevation of 2,151 feet, Archer County receives approximately 59.4 inches of rainfall annually with predominantly loam soil. Summer highs average 93°F, providing good warmth for Cowpeas during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cowpeas root diseases.

Archer County, TX (Zone 8a) Long season
240 days
Last Spring Frost March 20
240 growing days
First Fall Frost November 15

Archer County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Cowpeas Planting Timeline — Archer County, TX

Cowpeas Planting Calendar

Activity When Date Range
Direct Sow March 27 Mar 27 – Apr 17
Harvest May 29 May 29 – Jul 10

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 5.5–7 · Your soil: N/A

🗺️ USDA Zone

Zone 8a

📆 Growing Season

240 days in Archer County

Growing Tips for Archer County

Direct sow after soil is thoroughly warm. Do not over-fertilize with nitrogen as cowpeas fix their own. Harvest pods when they begin to dry on the vine for dry beans.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel
  • Onion

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cowpeas in Archer County, TX?

Archer County is in Zone 8a with an average last frost of March 20. Plan your Cowpeas planting based on this frost date — see the calendar above for exact timing.

What planting zone is Archer County, TX?

Archer County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 20 and first fall frost is November 15.

🌱

Your Archer County Garden Planner — Free

A 22-page printable planner built for Archer County (Zone 8a). 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 Archer County, TX. 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.