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Jessie Keith
Asteraceae
LACTUCA sativa 'Rouge d'Hiver'
Cos Lettuce, Romaine Lettuce
Long popular in France, this romaine lettuce has light green leaves that blush bronze-red in cool sunny weather.
Heads of 'Rouge d'Hiver' lettuce mature about 60 days after seeds are sown. Leaves can be harvested for "baby greens" at about 30 days. Successive planting every two weeks will prolong the harvest season. The plants' appearance and flavor deteriorate in hot weather.
Romaine (Cos) lettuce is an annual garden vegetable grown for its dense elongated heads of thickly ribbed leaves that are the main ingredient of Caesar’s salads. Large, upright, paddle-shaped outer leaves surround a tight central core of relatively small, pale leaves. In hot weather, the whole leafy clump elongates and "bolts," producing tall branched stems covered with pale yellow flowers followed by fluffy white seedheads. Once plants begin to bolt, pull them or allow them to set seed for collection.
In temperate zones lettuce is favored as a spring and fall crop. In milder climates it is grown as a winter crop. Red-leaved varieties such as 'Rouge d'Hiver' make good seasonal "ornamental edibles" for containers and mixed borders. Full sun, rich well-drained soil and regular water are needed for optimum production and performance.
12 - 1
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Vegetable
Full Sun
8"-12" / 20.3cm - 30.5cm
Indeterminate
Northern Europe, Northern Africa, Asia
Neutral
Well Drained
Loam
Very Fast
Average Water
Rosette/Stemless
Spring, Summer, Fall, Winter
Insignificant
Light Yellow
Tan, Brown
Red, Green, Light Green, Bronze
Green, Light Green
Red, Light Green, Bronze
No
Single
Yes
Coarse
Glossy
Container, Edible, Herb / Vegetable, Mixed Border
Butterflies
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