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 long, uniform hearts with good flavor.
Dark red romaine with contrasting red and green leaves, for full size.
Fast-growing blonde romaine for baby leaf and full-size heads.
Heat-tolerant romaine for heads and hearts.
High-performance romaine for hydroponics.
Dark green, compact romaine for an all-season mid-size.
Attractive green leaves with red speckles.
Bolt tolerant, widely adaptable with open habit suited for heads.
Old variety with modern adaptations.
Most attractive green romaine packs and handles with little damage.
Heat tolerant, full-size romaine.