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When to Plant Cowpeas in Breckinridge County, KY

Breckinridge County, Kentucky Zone 7a May

Your May gardening checklist

If you only do a handful of things in the garden this May, make it these. They're sequenced around your zone's frost timing.

Avg. last frost April 4
Avg. first frost November 3
Soil temp (4") 53°F
Watering Moderate
Pest pressure Low
Daylight 14 hrs
A few tasks this May that'll pay off in June
  • First harvests: cowpeas

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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.

Breckinridge County, Kentucky is in USDA Zone 7a. The average last spring frost is April 4 and the first fall frost is November 3, giving you a growing season of approximately 213 days.

At an elevation of 3,500 feet, Breckinridge County receives approximately 50.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°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.

Breckinridge County, KY (Zone 7a) Long season
213 days
Last Spring Frost April 4
213 growing days
First Fall Frost November 3
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Breckinridge County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (111 days to spare)
Transplant: Mar 28 🍅 Harvest: May 30 – Jul 11
Recommended (50%) ✓ Fits season (108 days to spare)
Transplant: Apr 4 🍅 Harvest: Jun 6 – Jul 18
Safe Start (90%) ✓ Fits season (119 days to spare)
Transplant: Apr 17 🍅 Harvest: Jun 19 – Jul 31

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Breckinridge County

How your county's soil matches Cowpeas's growing requirements.

Soil pH

Your soil pH (5.7–7.0) is within Cowpeas's preferred range (5.5–7.0).

Soil Texture

The silt loam soil in Breckinridge County is excellent for Cowpeas — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (3.2%). Annual compost additions will help Cowpeas.

How to Plant Cowpeas

1"
Planting Depth
15"
Between Plants
24"
Between Rows

Succession Planting Cowpeas

4
successive plantings in your 213-day season

Sow every 6.9 weeks. Last sowing by Aug 05 to harvest before frost.

Plant Water Budget

Plant needs
0.5″/week
Rainfall provides
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Cowpeas

Cowpeas needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.

Month Cowpeas Needs Rainfall You Supplement Action
Jan 4.9" 0" ❄️ Dormant
Feb 3.7" 0" ❄️ Dormant
Mar 4.8" 0" ❄️ Dormant
Apr 2.2" 3.8" 0" ✅ Rainfall sufficient
May 2.2" 3.6" 0" ✅ Rainfall sufficient
Jun 2.2" 4.2" 0" ✅ Rainfall sufficient
Jul 2.2" 4.8" 0" ✅ Rainfall sufficient
Aug 2.2" 4.5" 0" ✅ Rainfall sufficient
Sep 2.2" 4.3" 0" ✅ Rainfall sufficient
Oct 2.2" 3.2" 0" ✅ Rainfall sufficient
Nov 2.2" 3.6" 0" ✅ Rainfall sufficient
Dec 4.8" 0" ❄️ Dormant

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

Cowpeas Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Cowpeas needs ~1,312 GDD — county provides 3,727 GDD Excellent fit

Cowpeas Planting Timeline — Breckinridge County, KY

Cowpeas Planting Calendar

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

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

Month-by-Month Timeline

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

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 5.5–7 · Your soil: ideal

🗺️ USDA Zone

Zone 7a

📆 Growing Season

213 days in Breckinridge County

Growing Tips for Cowpeas in Breckinridge County

Direct sow Cowpeas outdoors after April 04 in Breckinridge County when soil has warmed and frost danger has passed.

Common pests for Cowpeas in this region include bean beetles and aphids. Use row covers early in the season and inspect plants weekly.

General growing tips

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 Breckinridge County, KY?

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

What planting zone is Breckinridge County, KY?

Breckinridge County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 4 and first fall frost is November 3.

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Your Breckinridge County Garden Planner — Free

A 24-page printable planner built for Breckinridge County (Zone 7a). 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 Breckinridge County, KY. Local conditions may vary. Last updated: May 2026.

Sources & credits

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