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When to plant Black Beans in Rice County, MN

Aim to plant Black Beans in Rice County on or after May 14; the window stays open through June 4. Rice County's 160-day frost-free season gives you a single solid spring crop with a brief fall option.

When to Plant Black Beans in Rice County, MN

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

Rice County, Minnesota is in USDA Zone 4b. The average last spring frost is April 30 and the first fall frost is October 7, giving you a growing season of approximately 160 days.

At an elevation of 873 feet, Rice County receives approximately 36.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Black Beans to ensure they mature before fall.

Rice County, MN (Zone 4b) Moderate season
160 days
Last Spring Frost April 30
160 growing days
First Fall Frost October 7

Rice County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Black Beans Planting Timeline — Rice County, MN

Black Beans Planting Calendar

Activity When Date Range
Direct Sow May 14 May 14 – Jun 4
Harvest August 13 Aug 13 – Oct 1

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

90–120 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 4b

📆 Growing Season

160 days in Rice County

Growing Tips for Rice 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Black Beans in Rice County, MN?

Rice County is in Zone 4b with an average last frost of April 30. Plan your Black Beans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Rice County, MN?

Rice County, Minnesota is in USDA Hardiness Zone 4b. The average last spring frost is April 30 and first fall frost is October 7.

When should I plant Black Beans in Rice County, MN?

In Rice County, MN, plant Black Beans after the last frost (around April 30) and before the first frost (around October 7). Best results when soil holds above 50°F.

What growing zone is Rice County, MN for Black Beans?

Rice County sits in USDA Zone 4b. Black Beans grows reliably in zones 3a through 11b, so it's a good fit here.

Can Black Beans grow in Rice County's climate?

Yes — Black Beans grows well in Rice County's temperate climate. Rice County averages a 160-day frost-free season, with last frost around April 30 and first frost around October 7.

🌱

Your Rice County Garden Planner — Free

A 22-page printable planner built for Rice County (Zone 4b). 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 Rice County, MN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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