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

Romaine Lettuce (Cos) Seeds

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