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When to Plant Fava Beans in Vanderburgh County, IN

Fava beans are a cool-season legume with large, meaty beans inside thick pods. They fix nitrogen in the soil and are one of the oldest cultivated crops.

Vanderburgh County, Indiana is in USDA Zone 6b. The average last spring frost is April 7 and the first fall frost is October 29, giving you a growing season of approximately 205 days.

At an elevation of 901 feet, Vanderburgh County receives approximately 40.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87ยฐF, providing good warmth for Fava Beans during the growing season.

Vanderburgh County, IN (Zone 6b) Long season
205 days
Last Spring Frost April 7
205 growing days
First Fall Frost October 29

Vanderburgh County Soil Profile

Soil Type

Silt Loam

Soil pH

6-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (87 days to spare)
Start indoors: Feb 24 Transplant: Mar 31 🍅 Harvest: Jun 16 – Jul 28
Recommended (50%) ✓ Fits season (86 days to spare)
Start indoors: Mar 3 Transplant: Apr 7 🍅 Harvest: Jun 23 – Aug 4
Safe Start (90%) ✓ Fits season (91 days to spare)
Start indoors: Mar 17 Transplant: Apr 21 🍅 Harvest: Jul 7 – Aug 18

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 Vanderburgh County

How your county's soil matches Fava Beans's growing requirements.

Soil pH

Your soil pH (6.0โ€“6.8) is within Fava Beans's preferred range (6.0โ€“7.0).

Soil Texture

The silt loam soil in Vanderburgh County is excellent for Fava Beans โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (3.9%). Annual compost additions will help Fava Beans.

How to Plant Fava Beans

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

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Fava Beans

3
successive plantings in your 205-day season

Sow every 8.6 weeks. Last sowing by Jul 21 to harvest before frost.

For a dedicated fall crop, sow by Aug 20.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
You supply
0.2″/week
Watering frequency Only during dry spells
Season total 382 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Fava Beans needs ~1,334 GDD — county provides 3,126 GDD Excellent fit

Fava Beans Planting Timeline โ€” Vanderburgh County, IN

Fava Beans Planting Calendar

Activity When Date Range
Start Indoors March 3 Mar 3 โ€“ Mar 17
Transplant Outdoors April 7 Apr 7 โ€“ Apr 21
Direct Sow March 24 Mar 24 โ€“ Apr 14
Fall Sowing August 20 Aug 20 โ€“ Sep 3
Harvest June 23 Jun 23 โ€“ Aug 4

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May โ€”
June Harvest
July Harvest
August Fall Sowing Harvest
September Fall Sowing
October โ€”
November โ€”
December โ€”

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

1"/week ยท Only during dry spells

๐Ÿ“… Days to Maturity

75โ€“100 days

๐Ÿงช Soil pH

Needs 6โ€“7 ยท Your soil: ideal

๐Ÿ—บ๏ธ USDA Zone

Zone 6b

๐Ÿ“† Growing Season

205 days in Vanderburgh County

Growing Tips for Fava Beans in Vanderburgh County

Direct sow Fava Beans outdoors after April 07 in Vanderburgh County when soil has warmed and frost danger has passed.

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

General growing tips

Direct sow as early as soil can be worked in spring. Pinch growing tips when pods begin to form to redirect energy and reduce aphid problems. Stake tall varieties.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Level Up Your Garden

Frequently Asked Questions

When should I plant Fava Beans in Vanderburgh County, IN?

Vanderburgh County is in Zone 6b with an average last frost of April 7. Plan your Fava Beans planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Vanderburgh County, IN?

Vanderburgh County, Indiana is in USDA Hardiness Zone 6b. The average last spring frost is April 7 and first fall frost is October 29.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Vanderburgh County gardeners in Zone 6b 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 Vanderburgh County, IN. Local conditions may vary. Last updated: April 2026.