- Variety Info
- Sowing Info
- Growing Info
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Variety Info
Days to Maturity: 21-62 days
Family: Asteraceae
Type: Crisphead Lettuce (Learn more)
Native: Unknown; lettuce has been in cultivation for a long time.
Hardiness: Frost-tolerant annual
Exposure: Full sun to part shade
Plant Dimensions: 6"–10" tall and 8" wide
Variety Info: Small, emerald-green center head surrounded by outer leaves with jagged, spikey edges (resembles a crown surrounding the center head). 'Ice Queen' is a crisphead type lettuce with a more open habit than traditional iceberg and is also considered a summer crisp type.
Attributes: Good for Containers, Heat Tolerant, Frost Tolerant
Sowing Info
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 8"
Row Spacing: 10"
Thinning: When ½" tall, thin to 1 every 8"
Growing Info
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.