Red and green romaine lettuce heads from some of Johnny's romaine lettuce varieties.

Romaine Lettuce (Cos) Seeds

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Heat-tolerant romaine for heads and hearts.
Early producer of truly compact mini heads with bronze-red color.
Bolt tolerant, widely adaptable with open habit suited for heads.
Dark green, compact romaine for an all-season mid-size.
High-performance romaine for hydroponics.
Dark red romaine with contrasting red and green leaves, for full size.
Fast-growing blonde romaine for baby leaf and full-size heads.
Old variety with modern adaptations.
Attractive green leaves with red speckles.
Heat-tolerant romaine for long, uniform hearts with good flavor.
Heat tolerant, full-size romaine.