Botanical Name: Lactuca sativa
Days to Maturity: 21–65 days
Native: Unknown; lettuce has been in cultivation for a long time.
Hardiness: Frost-tolerant annual
Plant Dimensions: 5″–6″ wide, 3″–5″ tall
Variety Information: Large, soft, slightly crumpled light green leaves in a loose head with a creamy yellow core. ‘Buttercrunch’ is a butterhead type lettuce bred at Cornell University.