When to Plant Bok Choy in West Stewartstown, New Hampshire (03597)
Location
West Stewartstown, New Hampshire
ZIP Code
03597
USDA Zone
4a
Last Frost
Friday, May 15, 2026
📅 Planting Calendar
Direct Sow Outdoors Friday, April 17, 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 4a
Bok Choy (Brassica rapa subsp. chinensis) is a popular garden vegetable. In West Stewartstown, New Hampshire, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, April 17, 2026.
Your average last frost date is Friday, May 15, 2026. Bok Choy grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.