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