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When to Plant Bok Choy in Biwabik, Minnesota (55708)

Location

Biwabik, Minnesota

ZIP Code

55708

USDA Zone

3b

Last Frost

Wednesday, May 20, 2026

📅 Planting Calendar

Direct Sow Outdoors Wednesday, April 22, 2026

Pro Tip: Sow Bok Choy directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica rapa subsp. chinensis
Days to Maturity 45 days
Mature Height 12-18"
Spread 12"
Type Leaf
Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Partial Shade to Full Sun

💧

Water

Regular (consistent moisture)

↔️

Spacing

6" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

Ready to Plant Bok Choy in Biwabik?

Get your seeds now so they're ready by Wednesday, April 22, 2026.

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🤝 Good Companions

BeetCeleryDillOnion

⚠️ Avoid Planting Near

StrawberryTomato

Other Plants for Biwabik

Growing Bok Choy in Zone 3b

Bok Choy (Brassica rapa subsp. chinensis) is a popular garden vegetable. In Biwabik, Minnesota, which is in USDA Hardiness Zone 3b, you should direct sow seeds around Wednesday, April 22, 2026.

Your average last frost date is Wednesday, May 20, 2026. Bok Choy grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.