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When to plant Fava Beans in Bingham County, ID

Fava Beans planted in Bingham County between May 7 and May 28 matures in 75–100 days — well before the September 21 first frost. A second sowing from July 13 to July 27 extends the harvest into fall.

When to Plant Fava Beans in Bingham County, ID

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.

Bingham County, Idaho is in USDA Zone 5b. The average last spring frost is May 21 and the first fall frost is September 21, giving you a growing season of approximately 123 days.

At an elevation of 8,345 feet, Bingham County receives approximately 24.5 inches of rainfall annually with predominantly loam soil. Summer highs average 86°F, providing good warmth for Fava Beans during the growing season.

Bingham County, ID (Zone 5b) Short season
123 days
Last Spring Frost May 21
123 growing days
First Fall Frost September 21

Bingham County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Fava Beans Planting Timeline — Bingham County, ID

Fava Beans Planting Calendar

Activity When Date Range
Start Indoors April 16 Apr 16 – Apr 30
Transplant Outdoors May 21 May 21 – Jun 4
Direct Sow May 7 May 7 – May 28
Harvest August 6 Aug 6 – Sep 17
Fall Sowing July 13 Jul 13 – Jul 27

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

Month-by-Month Timeline

MonthActivities
January
February
March
April Start Indoors
May Transplant Outdoors Direct Sow
June Transplant Outdoors
July Fall Sowing
August Harvest
September Harvest
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 5b

📆 Growing Season

123 days in Bingham County

Growing Tips for Bingham 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 Bingham County, ID?

Bingham County is in Zone 5b with an average last frost of May 21. Plan your Fava Beans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Bingham County, ID?

Bingham County, Idaho is in USDA Hardiness Zone 5b. The average last spring frost is May 21 and first fall frost is September 21.

When should I plant Fava Beans in Bingham County, ID?

In Bingham County, ID, plant Fava Beans after the last frost (around May 21) and before the first frost (around September 21). Best results when soil holds above 50°F.

What growing zone is Bingham County, ID for Fava Beans?

Bingham County sits in USDA Zone 5b. Fava Beans grows reliably in zones 2a through 10b, so it's a good fit here.

Can Fava Beans grow in Bingham County's climate?

Yes — Fava Beans grows well in Bingham County's temperate climate. Bingham County averages a 123-day frost-free season, with last frost around May 21 and first frost around September 21.

🌱

Your Bingham County Garden Planner — Free

A 22-page printable planner built for Bingham 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.

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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 Bingham County, ID. Local conditions may vary. Last updated: July 2026.

Sources & credits

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