When to Plant Head Lettuce in Twin Oaks, Oklahoma (74368)
Location
Twin Oaks, Oklahoma
ZIP Code
74368
USDA Zone
7a
Last Frost
Friday, April 10, 2026
📅 Planting Calendar
Direct Sow Outdoors Friday, March 13, 2026
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 Twin Oaks?
Get your seeds now so they're ready by Friday, March 13, 2026.
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Growing Head Lettuce in Zone 7a
Head Lettuce (Lactuca sativa) is a popular garden vegetable. In Twin Oaks, Oklahoma, which is in USDA Hardiness Zone 7a, you should direct sow seeds around Friday, March 13, 2026.
Your average last frost date is Friday, April 10, 2026. Head Lettuce grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.