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

Romaine Lettuce (Cos) Seeds

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Heat tolerant, full-size romaine.
Compact, filled-out mini heads that are dark red even in the North.
Heat-tolerant romaine for long, uniform hearts with good flavor.
Bolt tolerant, widely adaptable with open habit suited for heads.
Heat-tolerant romaine for long, uniform hearts with good flavor.
Most attractive green romaine packs and handles with little damage.
High-performance romaine for hydroponics.
Early producer of truly compact mini heads with bronze-red color.
Crunchy, snackable, stackable mini cosberg.
Dark red romaine with contrasting red and green leaves, for full size.
Bolt tolerant, widely adaptable with open habit suited for heads.
Classic romaine with modern disease resistance.
Crunchy, snackable, stackable mini cosberg.
Early producer of truly compact mini heads with bronze-red color.
Versatile mini romaine with sweet flavor.
Versatile mini romaine with sweet flavor.
Dark red romaine with contrasting red and green leaves, for full size.
Classic romaine with modern disease resistance.
Old variety with modern adaptations.
Attractive, ruffled romaine that retains its red color in low light.
Fast-growing romaine for baby-leaf production.
Attractive, ruffled romaine that retains its red color in low light.
Crunchy rib with an iceberg look.
Crunchy, baby-leaf red romaine with narrow petiole.
Old variety with modern adaptations.