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When to plant Fava Beans in Harrison County, IN

For Fava Beans in Harrison County, the safe spring window opens around March 25 and closes around April 15. Last expected frost is April 8, first fall frost October 31, giving a 206-day growing season. A second sowing from August 22 to September 5 extends the harvest into fall.

When to Plant Fava Beans in Harrison 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.

Harrison County, Indiana is in USDA Zone 6b. The average last spring frost is April 8 and the first fall frost is October 31, giving you a growing season of approximately 206 days.

At an elevation of 528 feet, Harrison County receives approximately 40.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Fava Beans during the growing season.

Harrison County, IN (Zone 6b) Long season
206 days
Last Spring Frost April 8
206 growing days
First Fall Frost October 31

Harrison County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-7.1

Drainage

Well Drained

Monthly Watering Guide for Fava Beans

Fava Beans needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Fava Beans Needs Rainfall You Supplement Action
Jan 1.4" 0" ❄️ Dormant
Feb 1.8" 0" ❄️ Dormant
Mar 3" 0" ❄️ Dormant
Apr 4.3" 4.1" 0.2" 💧 Light watering
May 4.3" 4.8" 0" ✅ Rainfall sufficient
Jun 4.3" 5.4" 0" ✅ Rainfall sufficient
Jul 4.3" 4.6" 0" ✅ Rainfall sufficient
Aug 4.3" 4.7" 0" ✅ Rainfall sufficient
Sep 4.3" 3.2" 1.1" 💧 Light watering
Oct 4.3" 3" 1.3" 💧 Light watering
Nov 2.5" 0" ❄️ Dormant
Dec 2.3" 0" ❄️ Dormant

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

Fava Beans Planting Timeline — Harrison County, IN

Fava Beans Planting Calendar

Activity When Date Range
Start Indoors March 4 Mar 4 – Mar 18
Transplant Outdoors April 8 Apr 8 – Apr 22
Direct Sow March 25 Mar 25 – Apr 15
Harvest June 24 Jun 24 – Aug 5
Fall Sowing August 22 Aug 22 – Sep 5

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

75–100 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

206 days in Harrison County

Growing Tips for Harrison County

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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

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

Harrison County is in Zone 6b with an average last frost of April 8. Plan your Fava Beans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Harrison County, IN?

Harrison County, Indiana is in USDA Hardiness Zone 6b. The average last spring frost is April 8 and first fall frost is October 31.

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

In Harrison County, IN, plant Fava Beans after the last frost (around April 8) and before the first frost (around October 31). Best results when soil holds above 50°F.

What growing zone is Harrison County, IN for Fava Beans?

Harrison County sits in USDA Zone 6b. Fava Beans grows reliably in zones 2a through 10b, so it's a good fit here.

Can Fava Beans grow in Harrison County's climate?

Yes — Fava Beans grows well in Harrison County's temperate climate. Harrison County averages a 206-day frost-free season, with last frost around April 8 and first frost around October 31.

🌱

Your Harrison County Garden Planner — Free

A 22-page printable planner built for Harrison County (Zone 6b). 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 Harrison County, IN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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