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When to Plant Pole Beans in Winnipeg, MB

Pole beans are climbing varieties of green beans that produce over a much longer season than bush types. They require trellising but yield more per square foot.

Winnipeg, Manitoba is in USDA Zone 4b. The average last spring frost is May 8 and the first fall frost is October 2, giving you a growing season of approximately 147 days.

At an elevation of 784 feet, Winnipeg receives approximately 14.5 inches of rainfall annually with predominantly black chernozem soil. Summer highs average 73°F, so choose short-season varieties of Pole Beans to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Pole Beans successfully. Mulch heavily to conserve soil moisture.

Winnipeg, MB (Zone 4b) Short season
147 days
Last Spring Frost May 8
147 growing days
First Fall Frost October 2

Winnipeg Soil Profile

Soil Type

Black Chernozem

Soil pH

6.0-7.0

Drainage

Well Drained

Pole Beans Planting Timeline — Winnipeg, MB

Pole Beans Planting Calendar

Activity When Date Range
Start Indoors March 6 Mar 6 – Mar 20
Transplant Outdoors May 29 May 29 – Jun 12
Direct Sow May 22 May 22 – Jun 12
Harvest July 24 Jul 24 – Sep 18

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

55–70 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 4b

📆 Growing Season

147 days in Winnipeg

Growing Tips for Winnipeg

Provide sturdy 6-8 foot poles, tepees, or trellises. Direct sow after last frost. Pick regularly to encourage continued production. Beans fix nitrogen benefiting following crops.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic
  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Pole Beans in Winnipeg, MB?

Winnipeg is in Zone 4b with an average last frost of May 8. Plan your Pole Beans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Winnipeg, MB?

Winnipeg, Manitoba is in USDA Hardiness Zone 4b. The average last spring frost is May 8 and first fall frost is October 2.

🌱

Your Winnipeg Garden Planner — Free

A 22-page printable planner built for Winnipeg (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 Winnipeg, MB. Local conditions may vary. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.