GrowZone

Seed-start answer

Start lettuce seeds indoors around Feb 1

This uses ZIP 89101, the Las Vegas frost station, and the Mar 1 last-frost estimate.

Seed starting schedule

Lettuce dates for Las Vegas, NV

StepDateHow to use it
Start IndoorsFebruary 1, 2026Start seeds under lights or in a bright indoor seed-starting space.
Transplant OutdoorsFebruary 15, 2026Move hardened-off seedlings outside after the frost-risk window.
Direct SowFebruary 15, 2026Sow seed outside when the crop and soil can handle the window.