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When to plant Soybeans in Todd County County,

Plant Soybeans in Todd County County after May 4; the prime window is May 18–June 8.

When to Plant Soybeans in Todd County, MN

Soybeans (edamame) are a high-protein legume that fixes nitrogen in the soil. Fresh green soybeans harvested at the edamame stage are a nutritious snack.

Todd County, Minnesota is in USDA Zone 4a. The average last spring frost is May 4 and the first fall frost is October 4, giving you a growing season of approximately 153 days.

At an elevation of 987 feet, Todd County receives approximately 33.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81°F, so choose short-season varieties of Soybeans to ensure they mature before fall.

Todd County, MN (Zone 4a) Moderate season
153 days
Last Spring Frost May 4
153 growing days
First Fall Frost October 4
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Todd County Soil Profile

Soil Type

Silt Loam

Soil pH

6-6.8

Drainage

Well Drained

Monthly Watering Guide for Soybeans

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

Month Soybeans Needs Rainfall You Supplement Action
Jan 1.4" 0" ❄️ Dormant
Feb 1.6" 0" ❄️ Dormant
Mar 2.4" 0" ❄️ Dormant
Apr 3.6" 0" ❄️ Dormant
May 4.3" 3.4" 0.9" 💧 Light watering
Jun 4.3" 4.1" 0.2" 💧 Light watering
Jul 4.3" 3.1" 1.2" 💧 Light watering
Aug 4.3" 3.9" 0.4" 💧 Light watering
Sep 4.3" 3.1" 1.2" 💧 Light watering
Oct 4.3" 2.4" 1.9" 💧 Light watering
Nov 2.6" 0" ❄️ Dormant
Dec 1.8" 0" ❄️ Dormant

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

Soybeans Planting Timeline — Todd County, MN

Soybeans Planting Calendar

Activity When Date Range
Direct Sow May 18 May 18 – Jun 8
Harvest August 10 Aug 10 – Oct 5

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
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

80–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 4a

📆 Growing Season

153 days in Todd County

Growing Tips for Todd County

Direct sow after soil warms to 60F. Plant in blocks rather than rows for better pollination. Harvest for edamame when pods are plump and bright green.

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 Soybeans in Todd County, MN?

Todd County is in Zone 4a with an average last frost of May 4. Plan your Soybeans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Todd County, MN?

Todd County, Minnesota is in USDA Hardiness Zone 4a. The average last spring frost is May 4 and first fall frost is October 4.

When should I plant Soybeans in Todd County County, ?

In Todd County County, , plant Soybeans after the last frost (around May 4) and before the first frost (around October 4). Best results when soil holds above 50°F.

What growing zone is Todd County County, for Soybeans?

Todd County County sits in USDA Zone 4a. Soybeans grows reliably in zones 3a through 10b, so it's a good fit here.

Can Soybeans grow in Todd County County's climate?

Yes — Soybeans grows well in Todd County County's temperate climate. Todd County County averages a 153-day frost-free season, with last frost around May 4 and first frost around October 4.

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Your Todd County Garden Planner — Free

A 22-page printable planner built for Todd County (Zone 4a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Todd County, MN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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