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Iceberg Lettuce

Iceberg Lettuce

Lactuca sativa var. capitata

Basic Information

🌿 Family: Asteraceae

πŸ—ΊοΈ Zone: 2-11

Other Names:

  • Crisphead Lettuce

🌑️ Ideal Temperature : 60Β°F – 70Β°F

πŸ”₯ Heat Tolerance: Up to 80Β°F

❄️ Cold Tolerance: Down to 32Β°F

🌱 Type: Annual

Layers

  • Ground

Functions

  • Edible
  • Ground Cover

Pests

No pests associated with this plant.

Companions

Plants to Avoid

Description

Iceberg lettuce is an annual vegetable known for its crisp, pale green leaves forming dense, cabbage-like heads. Each head typically measures 15-23 cm (6-9 inches) in diameter. Introduced in 1894, it remains popular for its mild flavor and crunchy texture. While not as nutrient-dense as darker leafy greens, it provides hydration and a satisfying crunch to salads and sandwiches. Iceberg lettuce thrives in cooler temperatures and may bolt or fail to form tight heads in warmer climates.

πŸŒžπŸ’§ Sun and Water Requirements:
Prefers full sun exposure but can tolerate partial shade, especially in warmer regions. Requires consistent moisture; soil should be kept evenly moist but not waterlogged. Mulching helps retain soil moisture and maintain cooler soil temperatures.

βœ‚οΈπŸ«˜ Methods to Propagate:
Primarily grown from seeds. Sow seeds directly into the garden 1/8 inch deep as soon as the soil can be worked in early spring or late summer for a fall crop. Thin seedlings to 30 cm (12 inches) apart to allow room for head development.

πŸ§‘β€πŸŒΎπŸ‘©β€πŸŒΎ When to Harvest:
Harvest when heads are firm and reach full size, typically 70-80 days after planting. Cut the head at the base with a sharp knife. For best flavor and texture, harvest in the morning before the day warms up.

Purpose

- **Edible**: Provides a crunchy texture and mild flavor, ideal for salads, sandwiches, and garnishes.
- **Ground Cover**: Dense planting can help suppress weeds and protect soil from erosion.