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When to Plant Green Bean in Sentinel Butte, North Dakota (58654)

Location

Sentinel Butte, North Dakota

ZIP Code

58654

USDA Zone

4a

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, April 3, 2026

Pro Tip: Green Bean can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Phaseolus vulgaris
Days to Maturity 55 days
Mature Height 18-24"
Spread 6"
Type Bush
Fruit Size Medium (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 7-14 days

🤝 Good Companions

CornSquashCarrotCucumber

⚠️ Avoid Planting Near

OnionGarlicFennel

Other Plants for Sentinel Butte

Growing Green Bean in Zone 4a

Green Bean (Phaseolus vulgaris) is a popular garden vegetable. In Sentinel Butte, North Dakota, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, April 3, 2026.

Your average last frost date is Friday, May 15, 2026. Green Bean grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.