Free guide · USDA zones 3–10

    When to plant lettuce 🥬

    Lettuce takes 30–55 days to mature, spaced 8" apart at 0.25" deep. Start indoors and transplant for the longest harvest.

    Planting dates by USDA zone

    ZoneStart indoorsDirect sowTransplantHarvest
    Zone 3April 13 – April 27April 27 – June 22May 4 – June 1June 29 – August 3
    Zone 4April 3 – April 17April 17 – June 12April 24 – May 22June 19 – July 24
    Zone 5March 20 – April 3April 3 – May 29April 10 – May 8June 5 – July 10
    Zone 6March 4 – March 18March 18 – May 13March 25 – April 22May 20 – June 24
    Zone 7February 19 – March 4March 4 – April 29March 11 – April 8May 6 – June 10
    Zone 8February 2 – February 16February 16 – April 12February 23 – March 22April 19 – May 24
    Zone 9January 4 – January 18January 18 – March 14January 25 – February 22March 21 – April 25
    Zone 10December 19 – January 2January 2 – February 27January 9 – February 6March 5 – April 9

    Dates are averages — adjust ±1–2 weeks for your microclimate. Need your exact dates? Enter your zip code below.

    Get your personalized lettuce planting dates

    Care tips

    • Provide afternoon shade once temps exceed 75°F.
    • Cut outer leaves to extend the harvest.
    • Succession sow every 2 weeks for steady greens.

    Good companions

    Carrots, Radish, Strawberries.

    Read more: Companion planting chart for vegetables

    Track your lettuce harvest with BotaNotes

    Log planting dates, get AI-powered care reminders, and journal every harvest. Free 15-day trial.

    Frequently asked questions

    When should I start lettuce seeds indoors in zone 5?

    In USDA zone 5, start lettuce seeds indoors between March 20 and April 3 — that's 4–6 weeks before the average last frost (May 1).

    When should I start lettuce seeds indoors in zone 6?

    In USDA zone 6, start lettuce seeds indoors between March 4 and March 18 — that's 4–6 weeks before the average last frost (April 15).

    When should I start lettuce seeds indoors in zone 7?

    In USDA zone 7, start lettuce seeds indoors between February 19 and March 4 — that's 4–6 weeks before the average last frost (April 1).

    When should I start lettuce seeds indoors in zone 8?

    In USDA zone 8, start lettuce seeds indoors between February 2 and February 16 — that's 4–6 weeks before the average last frost (March 15).

    When can I transplant lettuce seedlings outdoors?

    Transplant lettuce seedlings about -3–1 weeks after your average last spring frost. In zone 6 that's around March 25–April 22.

    How long does lettuce take to grow?

    Lettuce typically takes 30–55 days to mature, with harvest beginning roughly 5–10 weeks after the last spring frost.

    Related reading

    More planting guides