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When to Plant Black Beans in Franklin County, VA

Black beans are a warm-season legume producing small, dark, protein-rich beans that are a staple in Latin American and Caribbean cuisines.

Franklin County, Virginia is in USDA Zone 7a. The average last spring frost is April 19 and the first fall frost is October 24, giving you a growing season of approximately 188 days.

At an elevation of 494 feet, Franklin County receives approximately 47 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89ยฐF, providing good warmth for Black Beans during the growing season.

Franklin County, VA (Zone 7a) Moderate season
188 days
Last Spring Frost April 19
188 growing days
First Fall Frost October 24

Franklin County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-7.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (54 days to spare)
Transplant: Apr 9 🍅 Harvest: Jul 9 – Aug 27
Recommended (50%) ✓ Fits season (48 days to spare)
Transplant: Apr 19 🍅 Harvest: Jul 19 – Sep 6
Safe Start (90%) ✓ Fits season (40 days to spare)
Transplant: May 10 🍅 Harvest: Aug 9 – Sep 27

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.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Black Beans needs ~1,759 GDD — county provides 3,149 GDD Excellent fit

Black Beans Planting Timeline โ€” Franklin County, VA

Black Beans Planting Calendar

Activity When Date Range
Direct Sow April 26 Apr 26 โ€“ May 17
Harvest July 26 Jul 26 โ€“ Sep 13

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

90โ€“120 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7a

Growing Season

188 days

Growing Tips for Franklin County

Direct sow after last frost. Provide support for climbing varieties. Allow pods to dry fully on the vine before harvesting. Thresh dried pods by hand or in a pillowcase.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Level Up Your Garden

Frequently Asked Questions

When should I plant Black Beans in Franklin County, VA?

Franklin County is in Zone 7a with an average last frost of April 19. Plan your Black Beans planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Franklin County, VA?

Franklin County, Virginia is in USDA Hardiness Zone 7a. The average last spring frost is April 19 and first fall frost is October 24.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Franklin County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.

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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 Franklin County, VA. Local conditions may vary. Last updated: April 2026.