Canada's Plant Hardiness Site

Lactuca biennis

tall blue lettuce, wild blue lettuce, biennial lettuce, blue wood lettuce

Detailed description(s) of the plant's characteristics.
(sites may be external)

• calphotos.berkeley.edu
• www.efloras.org
• www.umassgreeninfo.org
• plants.usda.gov
• biology.burke.washington.edu
• wisplants.uwsp.edu