When to Plant Fava Bean in Black Hawk, South Dakota (57718)

Location

Black Hawk, South Dakota

ZIP Code

57718

USDA Zone

Last Frost

Sunday, May 10, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, April 12, 2026

Pro Tip: Sow Fava Bean directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Vicia faba

Days to Maturity 85 days

Mature Height 24-48"

Spread 9"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

6" apart

🌱

Planting Depth

2" deep

Seeds typically germinate in 7-14 days

Ready to Plant Fava Bean in Black Hawk?

Get your seeds now so they're ready by Sunday, April 12, 2026.

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🤝 Good Companions

CarrotPotatoBeetSpinach

⚠️ Avoid Planting Near

OnionGarlicFennel

Other Plants for Black Hawk

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Growing Fava Bean in Zone 5a

Fava Bean (Vicia faba) is a popular garden vegetable. In Black Hawk, South Dakota, which is in USDA Hardiness Zone 5a, you should direct sow seeds around Sunday, April 12, 2026.

Your average last frost date is Sunday, May 10, 2026. Fava Bean grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.