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Blue lettuce

Lactuca perennis

Also called Mountain Lettuce, Mountain Blue Lettuce, Perennial Lettuce

Blue lettuce
Photo: Johann Georg Sturm (Painter: Jacob Sturm), Public domain

Lactuca perennis, called blue lettuce or mountain lettuce, is a perennial wild relative of garden lettuce native to central and southern Europe. It grows best in full sun in well-drained, limy soil.

Family
Asteraceae (Daisy family)
Grows as
Perennial
Light
Full sun
Water
Water moderately while establishing, then allow the soil to dry between waterings; it tolerates drought.
Soil
Well-drained, calcareous or gritty soil.
Temperature
Hardy in temperate climates; tolerates cold winters and hot dry summers.
How easy
Easy
Safety
Not known to be toxic
Edible
Yes, some parts
Native range
Europe
Climate
temperate

About

Lactuca perennis, common names: mountain lettuce, blue lettuce or perennial lettuce, is a perennial herbaceous plant species belonging to the genus Lactuca of the family Asteraceae. It is widespread across most of central and southern Europe. Its leaves are edible.

Where it grows

These plants prefer calcareous well-drained soils and they are common on sunny rocky soils, on dry meadows, on roadsides and on banks of rivers. They can be found on average at 500–2,000 metres (1,600–6,600 ft) above sea level.

Other Lactuca plants

Cicerbita macrophylla · Lactuca aculeata · Lactuca alpestris · Tall blue lettuce · Canada lettuce · Lactuca dissecta · Lactuca dolichophylla · Woodland lettuce · Grassleaf lettuce · Hairy lettuce · Indian lettuce · African Lettuce

Text excerpted from the Wikipedia article Lactuca perennis 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.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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