Lettuce, 'Scarlet Butter'

(Lactuca sativa) Found as a sport in a large field of “Prizehead” in California in the 1980s, this excellent lettuce has dark red tips on a largely green butterhead, with a blanched yellow heart. The parent it descends from, Prizehead, is a loose leaf that dates back to 1873 and was one of the most important American commercial lettuce cultivars of the early 1900s. Scarlett makes a moderately dense head with classic, butter texture. 60 days. UO Packet: 1g (~800 seeds) $3.50 [split] Growing Info SOWING: Sow indoors 2-4 weeks before your last frost. Seeds germinate best below 70F. Transplant out 3-4 week-old plants. Direct seed after last frost. Sow every 3 weeks until 6 weeks before first Fall frost date for constant lettuce. Note: Seeds will become dormant if exposed to high temperatures. Lettuce grows best in cooler weather. PLANTING DEPTH: 1/8" SPACING: 10-12" in rows 12-15" apart. EMERGENCE: 5-7 days @ soil temp 68F and lower. LIGHT: Full sun to part shade FERTILITY: Medium. Prefers