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.
Unique, sweet romaine with excellent bolt tolerance.
Unique, sweet romaine with excellent bolt tolerance.
Dark green, compact romaine for an all-season mid-size.
Compact, filled-out mini heads that are dark red even in the North.
Compact, uniform, mini romaine with excellent texture.
Heat-tolerant romaine for heads and hearts.
Heat-tolerant romaine for long, uniform hearts with good flavor.
Early producer of truly compact mini heads with bronze-red color.
Dark red romaine with contrasting red and green leaves, for full size.
High-performance romaine for hydroponics.
Bolt tolerant, widely adaptable with open habit suited for heads.
Dark green, compact romaine for an all-season mid-size.
Crunchy, snackable, stackable mini cosberg.
Heat-tolerant romaine for long, uniform hearts with good flavor.
The standard green romaine for baby leaf, adds texture to salad mix.
Versatile mini romaine with sweet flavor.
Bolt tolerant, widely adaptable with open habit suited for heads.
Old variety with modern adaptations.
Heat tolerant, full-size romaine.
Dark red romaine with contrasting red and green leaves, for full size.
Crunchy, baby-leaf red romaine with narrow petiole.
Attractive green leaves with red speckles.
Open mini romaine with crunchy texture.
Classic romaine with modern disease resistance.
Fast-growing blonde romaine for baby leaf and full-size heads.
Old variety with modern adaptations.
Most attractive green romaine packs and handles with little damage.
Attractive, ruffled romaine that retains its red color in low light.
Crunchy, snackable, stackable mini cosberg.
Most attractive green romaine packs and handles with little damage.
Attractive, ruffled romaine that retains its red color in low light.
Versatile mini romaine with sweet flavor.