When to Plant Head Lettuce in West Mifflin, Pennsylvania (15123)

Location

West Mifflin, Pennsylvania

ZIP Code

15123

USDA Zone

Last Frost

Wednesday, April 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Wednesday, March 18, 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 West Mifflin?

Get your seeds now so they're ready by Wednesday, March 18, 2026.

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Growing Head Lettuce in Zone 6b

Head Lettuce (Lactuca sativa) is a popular garden vegetable. In West Mifflin, Pennsylvania, which is in USDA Hardiness Zone 6b, you should direct sow seeds around Wednesday, March 18, 2026.

Your average last frost date is Wednesday, April 15, 2026. Head Lettuce grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.