When to Plant Head Lettuce in Fort Knox, Kentucky (40121)
Location
Fort Knox, Kentucky
ZIP Code
40121
USDA Zone
7a
Last Frost
Friday, April 10, 2026
📅 Planting Calendar
Direct Sow Outdoors Friday, February 27, 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 7a
Head Lettuce (Lactuca sativa) is a popular garden vegetable. In Fort Knox, Kentucky, which is in USDA Hardiness Zone 7a, you should direct sow seeds around Friday, February 27, 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.