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

Romaine Lettuce (Cos) Seeds

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