GrowZone

Seed-start answer

Start lettuce seeds indoors around Feb 25

In ZIP 38103, start lettuce seeds indoors around Feb 25, about 28 days before the Mar 25 last-frost estimate.

Source: memphis-intl frost station, USDA zone 8a, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.

This uses ZIP 38103, the Memphis frost station, and the Mar 25 last-frost estimate.

Seed starting schedule

Lettuce dates for Memphis, TN

StepDateHow to use it
Start IndoorsFebruary 25, 2026Start seeds under lights or in a bright indoor seed-starting space.
Transplant OutdoorsMarch 11, 2026Move hardened-off seedlings outside after the frost-risk window.
Direct SowMarch 11, 2026Sow seed outside when the crop and soil can handle the window.