Lettuce, Romaine, “Rouge d’Hiver” Seeds
This wonderful French heirloom from the 1800s has been pleasing gardeners with its rich, buttery flavor for more than a century. Compact, 12″ tall head with a tender green heart surrounded by bronze-red leaves. The name fittingly translates to “Red Winter”, as it is cold tolerant and resists tip burn. Ideal for fall planting.
This 750 mg packet sows up to 152 feet.
Days to Maturity: 55–65 days
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 ⅛"
Seed Spacing: A group of 3 seeds every 10"
Row Spacing: 10"
Thinning: When ½" tall, thin to 1 every 10"
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.