Botanical Interests
Great Lakes 118 Crisphead Lettuce Seeds
Great Lakes 118 Crisphead Lettuce Seeds
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Product Details
Product Details
No other lettuce type provides the incredible, cool crunch of crisphead (also called iceberg). 'Great Lakes 118' is a 1960s improvement over the original 'Great Lakes'; heat tolerant, and bolt resistant. Toss it in with your salad mixes or top your sandwiches to liven them up.
- Variety Info
- Sowing Info
- Growing Info
Variety Info
Days to Maturity: 68–82 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" diameter
Variety Info: Very compact, round heads with green outer leaves and a blanched center. 'Great Lakes 118' is heat tolerant, and bolt, scald, and tip burn resistant. An improved selection over the original, award-winning, 'Great Lakes', which was bred to be larger and firmer than the crisphead lettuces developed earlier in Europe, known as Batavia or summercrisp types.
Attributes: Good for Containers, Heat Tolerant, Bolt Resistant, 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.
