When to Plant Turnip in Hilo, Hawaii (96721)
Location
Hilo, Hawaii
ZIP Code
96721
USDA Zone
12b
Last Frost
Thursday, January 1, 2026
📅 Planting Calendar
Direct Sow Outdoors Thursday, November 20, 2025
Pro Tip: Sow Turnip directly outdoors 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
Ready to Plant Turnip in Hilo?
Get your seeds now so they're ready by Thursday, November 20, 2025.
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Growing Turnip in Zone 12b
Turnip (Brassica rapa) is a popular garden vegetable. In Hilo, Hawaii, which is in USDA Hardiness Zone 12b, you should direct sow seeds around Thursday, November 20, 2025.
Your average last frost date is Thursday, January 1, 2026. Turnip grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.