Lettuce

Lactuca sativa

Asteraceae · annual · introduced

Data Coverage 1 of 6 dimensions

Site Data

Threats

Cultivars

Phenology

GDD Thresholds

Puget Sound

Quick Facts

Height

6-12 inches (leaf lettuce); 8-16 inches (head lettuce)

Growth Rate

Fast

Light

Full Sun

Soil

Well Drained

Water

High (consistent soil moisture)

Hardiness

Zone Zones 2–11 (cool-season annual)

Origin

Mediterranean