When to Plant Lettuce in Zone 7b

Lactuca sativa

Last updated: May 15, 2026 · Sources: USDA, NOAA, Cooperative Extension
Action Plan

Plant Lettuce in Zone 7b

  • Start indoors: Mar 8
  • Transplant: Apr 5 — after last frost (Mar 29)
  • First harvest: May 11 (30–60 days)
⚠️ Zone 7b last frost: Mar 29. Don't plant frost-sensitive crops before this date.
Last frost
Mar 29
First frost
Nov 1
Growing season
217 days
Zone 7b is the warmer half of Zone 7

Zone 7b has a last frost around Mar 29 and first frost around Nov 1, giving you approximately 217 growing days. This is about 2 weeks longer than Zone 7a. For more details see the Zone 7 complete guide.

Other Zones for Lettuce

Zone 3Zone 4Zone 5Zone 6Zone 7Zone 8Zone 9Zone 10Zone 11Zone 12Zone 13
📚 Data Sources
Frost dates: NOAA Climate Normals 1991–2020, National Centers for Environmental Information.
Hardiness zones: USDA Plant Hardiness Zone Map, Agricultural Research Service.
Growing requirements: Cooperative Extension Services — NC State, Penn State, University of Florida IFAS.
Companion planting: Cornell University Cooperative Extension.
Data compiled from public agricultural sources. Always verify with your local extension office for micro-climate adjustments.