When to Plant Head Lettuce in Honolulu, Hawaii (96821)
Location
Honolulu, Hawaii
ZIP Code
96821
USDA Zone
12b
Last Frost
Thursday, January 1, 2026
📅 Planting Calendar
Direct Sow Outdoors Thursday, December 4, 2025
Pro Tip: Sow Head Lettuce directly outdoors 4 weeks before your last frost date.
🌿 Plant Details
Scientific Name Lactuca sativa
Days to Maturity 70 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 1-7 days
Ready to Plant Head Lettuce in Honolulu?
Get your seeds now so they're ready by Thursday, December 4, 2025.
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Growing Head Lettuce in Zone 12b
Head Lettuce (Lactuca sativa) is a popular garden vegetable. In Honolulu, Hawaii, which is in USDA Hardiness Zone 12b, you should direct sow seeds around Thursday, December 4, 2025.
Your average last frost date is Thursday, January 1, 2026. Head Lettuce grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.