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Iceberg lettuce

Lactuca sativa var. capitata

Also called Garden Lettuce, Lettuce, Cultivated Lettuce, Romaine Lettuce

Iceberg lettuce
Photo: Rasbak 13:13, 20 May 2007 (UTC), CC BY-SA 3.0

Iceberg lettuce is a crisp-headed cultivar of garden lettuce (Lactuca sativa var. capitata) grown for its tight, pale green head. It grows best as a cool-season crop, and the key is steady moisture and cool temperatures so it does not bolt.

Family
Asteraceae (Daisy family)
Light
Full sun, Part shade
Water
Keep soil evenly moist and water at the base to avoid rot and bitterness.
Soil
Fertile, well-drained soil or rich potting mix with compost.
Temperature
10–24 °C; bolts in heat above about 24 °C and tolerates light frost.
How easy
Easy
Safety
Not known to be toxic
Edible
Yes, some parts

About

Iceberg lettuce, also called crisphead lettuce, is a common cultivar of lettuce. Created in 1894 in the United States by Burpee Seeds and Plants, it has since become a staple type of lettuce consumed globally.

Other Lactuca plants

Tall blue lettuce · Canada lettuce · Indian lettuce · Willowleaf lettuce · Celtuce · Romaine lettuce · Lettuce · Prickly lettuce · Bitter lettuce · Lettuce

Text excerpted from the Wikipedia article Iceberg lettuce by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

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