When to plant Cowpeas in Wayne County, IA
Plant Cowpeas in Wayne County from May 3 to May 24 in spring. Wayne County sits in USDA Zone 5b, with last frost around April 26 and first frost on October 13.
When to Plant Cowpeas in Wayne County, IA
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.
Wayne County, Iowa is in USDA Zone 5b. The average last spring frost is April 26 and the first fall frost is October 13, giving you a growing season of approximately 170 days.
At an elevation of 901 feet, Wayne County receives approximately 36.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Cowpeas during the growing season.
Wayne County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Cowpeas Planting Timeline — Wayne County, IA
Cowpeas Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | May 3 | May 3 – May 24 |
| Harvest | July 5 | Jul 5 – Aug 16 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Direct Sow |
| June | — |
| July | Harvest |
| August | Harvest |
| 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 5b
📆 Growing Season
170 days in Wayne County
Growing Tips for Wayne 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
Check more plant combinations with our Companion Planting Checker →
Cowpeas in Other Locations
Frequently Asked Questions
When should I plant Cowpeas in Wayne County, IA?
Wayne County is in Zone 5b with an average last frost of April 26. Plan your Cowpeas planting based on this frost date — see the calendar above for exact timing.
What planting zone is Wayne County, IA?
Wayne County, Iowa is in USDA Hardiness Zone 5b. The average last spring frost is April 26 and first fall frost is October 13.
When should I plant Cowpeas in Wayne County, IA?
In Wayne County, IA, plant Cowpeas after the last frost (around April 26) and before the first frost (around October 13). Best results when soil holds above 50°F.
What growing zone is Wayne County, IA for Cowpeas?
Wayne County sits in USDA Zone 5b. Cowpeas grows reliably in zones 5a through 11b, so it's a good fit here.
Can Cowpeas grow in Wayne County's climate?
Yes — Cowpeas grows well in Wayne County's temperate climate. Wayne County averages a 170-day frost-free season, with last frost around April 26 and first frost around October 13.
Your Wayne County Garden Planner — Free
A 22-page printable planner built for Wayne County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.