When to Plant Turnip in Copper Harbor, Michigan (49918)
Location
Copper Harbor, Michigan
ZIP Code
49918
USDA Zone
6a
Last Frost
Monday, April 20, 2026
📅 Planting Calendar
Direct Sow Outdoors Monday, March 9, 2026
Pro Tip: Turnip can be directly sown outdoors. Plant 6 weeks before your last frost date.
🌿 Plant Details
Scientific Name Brassica rapa
Days to Maturity 91 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 1-7 days
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Growing Turnip in Zone 6a
Turnip (Brassica rapa) is a popular garden vegetable. In Copper Harbor, Michigan, which is in USDA Hardiness Zone 6a, you should direct sow seeds around Monday, March 9, 2026.
Your average last frost date is Monday, April 20, 2026. Turnip grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.