'Buttercrunch' is a vigorous grower with a creamy yellow interior, buttery flavor and melt-in-your-mouth texture, pleasing palates since 1963. Small heads are perfect for a single-serve salad. The compact size makes it a good container variety, and it's also attractive in the flower-garden border. All-America Selections Winner.
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.
When to Sow Outside: RECOMMENDED. 2 to 4 weeks before your average last frost date, and when soil temperature is at least 40°F, ideally 60°–70°F. Successive Sowings: Every 3 weeks until 4 to 6 weeks before your average first fall frost date. Mild Climates: Sow in fall and winter for cool season harvests.
When to Start Inside: 4 to 6 weeks before your average last frost date, and in summer when soil temperatures are too warm (above 80°F) to germinate lettuce seed.
Days to Emerge: 5–10 days
Seed Depth: Surface to ?”
Seed Spacing: A group of 3 seeds every 6″
Row Spacing: 8″
Thinning: When ½” tall, thin to 1 every 6″
Harvesting: Harvest in the morning, by cutting off at ground level. If regrowth is desired, cut the leaves higher, at 2″. For a continual supply, outer, individual leaves can be harvested at any stage of maturity, but leave at least half of the plant for regrowth.
This packet sows up to 122 feet. 730 seeds.