When to Plant Head Lettuce in Whittier, California (90607)
Location
Whittier, California
ZIP Code
90607
USDA Zone
10b
Last Frost
Friday, January 15, 2027
📅 Planting Calendar
Direct Sow Outdoors Friday, December 4, 2026
Pro Tip: Head Lettuce can be directly sown outdoors. Plant 6 weeks before your last frost date.
🌿 Plant Details
Scientific Name Lactuca sativa
Days to Maturity 7 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 1-7 days
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Growing Head Lettuce in Zone 10b
Head Lettuce (Lactuca sativa) is a popular garden vegetable. In Whittier, California, which is in USDA Hardiness Zone 10b, you should direct sow seeds around Friday, December 4, 2026.
Your average last frost date is Friday, January 15, 2027. Head Lettuce grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.