When to Plant Common Bean in Belle Fourche, South Dakota (57717)

Location

Belle Fourche, South Dakota

ZIP Code

57717

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Tuesday, May 5, 2026

Based on last frost Tuesday, May 5, 2026 · Zone 4b

Pro tip: Sow Common Bean directly outdoors around your last frost date when soil starts to warm.

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🌿 Plant Details

Scientific Name Phaseolus vulgaris

Days to Maturity 65 days

Mature Height 18-24"

Spread 6"

Type Bush

Fruit Size Medium (pods 4-6 inches)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1 inch/week)

↔️

Spacing

4" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 5-10 days

Ready to Plant Common Bean in Belle Fourche?

Get your seeds now so they're ready by Tuesday, May 5, 2026.

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🤝 Good Companions

CornSquashCarrotCucumberRadish

⚠️ Avoid Planting Near

OnionGarlicFennel

🤝

Full Companion Planting Guide for Common Bean

See which plants help Common Bean thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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🌾 Seed Saving Guide

🟢 Easy

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Leave pods on the plant until fully dry and papery — seeds rattle inside when ready.

Processing

Shell dried pods, spread seeds on a screen for 2 weeks to dry fully before storing.

Seed Viability

Up to 4 years when stored cool, dark, and dry.

Pro Tip

Beans self-pollinate before flowers open — very little cross-pollination risk, excellent beginner seed crop.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 9 per sq ft of Common Bean. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Common Bean in Belle Fourche, South Dakota? +

In Belle Fourche (Zone 4b), direct sow Common Bean outdoors around Tuesday, May 5, 2026.

What is the last frost date for Belle Fourche, South Dakota? +

The average last spring frost date for Belle Fourche, South Dakota (ZIP 57717) is around Tuesday, May 5, 2026. This is based on NOAA climate normals for USDA Zone 4b.

How long does Common Bean take to grow? +

Common Bean typically matures in about 65 days from direct sowing. In Belle Fourche, that means you can expect harvest around Tuesday, May 5, 2026 plus 65 days.

Should I start Common Bean indoors or direct sow in South Dakota? +

Common Bean does best when direct sown outdoors. In Belle Fourche, sow directly around Tuesday, May 5, 2026.

📚 More Common Bean Planting Guides

🗺️

Common Bean in South Dakota

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 4b Common Bean Guide

All cities in your zone · Avg dates

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Other Plants for Belle Fourche

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Growing Common Bean in Zone 4b

Common Bean (Phaseolus vulgaris) is a popular garden vegetable. In Belle Fourche, South Dakota, which is in USDA Hardiness Zone 4b, you should direct sow seeds around Tuesday, May 5, 2026.

Your average last frost date is Tuesday, May 5, 2026. Common Bean grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.