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When to Plant Bok Choy in Blanchard, Michigan (49310)

Location

Blanchard, Michigan

ZIP Code

49310

USDA Zone

5b

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Direct Sow Outdoors Saturday, March 28, 2026

Pro Tip: Bok Choy can be directly sown outdoors. Plant 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica rapa subsp. chinensis
Days to Maturity 45 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 7-14 days

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Growing Bok Choy in Zone 5b

Bok Choy (Brassica rapa subsp. chinensis) is a popular garden vegetable. In Blanchard, Michigan, which is in USDA Hardiness Zone 5b, you should direct sow seeds around Saturday, March 28, 2026.

Your average last frost date is Saturday, April 25, 2026. Bok Choy grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.