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Back to All Lettuce Seeds

The main characteristic of Romaine lettuce (also called 'Cos' lettuce) is a rib that runs down the center of the lettuce leaf. Usually, Romaine lettuce grows in a cylindrical head, but not always. Romaines tend to be more heat tolerant than other lettuces. Romaine lettuce usually has a mild flavor and crisp leaves (but not always).

50 100 true //store.trueleafmarket.com/cdn/shop/t/54/assets/review-fallback.json?v=33078429469613971781712858278
Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites
24 Items
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Lettuce Romaine - Parris Island Cos Garden and Microgreen Seednon gmo parris island cos romaine lettuce seed bag
-0
Heirloom
Lettuce Seeds - Romaine - Parris Island Cos
Starting at $2.49
Little Gem Romaine Lettuce SeedsNon-GMO Little Gem Romaine Lettuce
-0
Heirloom
Lettuce Seeds - Romaine - Little Gem
Starting at $2.49
Lettuce Seeds - Romaine / COS - Winter DensityLettuce Seeds - Romaine / COS - Winter Density Seed Packet
-0
Heirloom
Lettuce Seeds - Romaine / COS - Winter Density
Starting at $2.49
Jericho Lettuce SeedsJericho Lettuce Seeds Packet
-0
Heirloom
Lettuce Seeds - Jericho
Starting at $2.49
Organic Jericho Lettuce SeedsNon-GMO Organic Jericho Lettuce Seed Packet
-0
Heirloom
Organic
Lettuce Seeds - Jericho - Organic
Starting at $3.89
Lettuce Seeds - Romaine - Giant CaesarLettuce Seeds - Romaine - Giant Caesar Seed Packet
-0
Heirloom
Lettuce Seeds - Romaine - Giant Caesar
Starting at $2.49
Little Gem Organic Lettuce SeedsNon-GMO Little Gem Organic Lettuce Seed Packet
-0
Heirloom
Organic
Lettuce Seeds - Little Gem - Organic
Starting at $2.99
Lettuce Seeds - Romaine / COS - Petite RougeLettuce Seeds - Romaine / COS - Petite Rouge Seed Packet
-0
Lettuce Seeds - Romaine / COS - Petite Rouge
Starting at $2.49
Lettuce Seeds, Romaine - Little Caesar - OrganicLettuce Seeds, Romaine - Little Caesar - Organic Seed Packet
-0
Heirloom
Organic
Lettuce Seeds, Romaine - Little Caesar - Organic
Starting at $2.99
Organic Freckles Lettuce SeedsNon-GMO Organic Freckles Lettuce Seed Packet
-0
Heirloom
Organic
Lettuce Seeds - Freckles - Organic
Starting at $2.99
rouge d'hiver romaine/cos lettucerouge d'hiver romaine/cos lettuce seed packet
-0
Heirloom
Lettuce Seeds - Romaine / COS - Rouge D'Hiver
Starting at $2.49
Lettuce Seeds - Parris Island Cos - OrganicNon-GMO Romaine Parris Island Cos Organic Lettuce Seed Packet
-0
Heirloom
Organic
Lettuce Seeds - Parris Island Cos - Organic
Starting at $2.99
Lettuce Seeds - Romaine - Little CaesarLettuce Seeds - Romaine - Little Caesar Seed Packet
-0
Heirloom
Lettuce Seeds - Romaine - Little Caesar
Starting at $2.49
Lettuce Seeds, Romaine - Vivian - OrganicLettuce Seeds, Romaine - Vivian - Organic Seed Packet
-0
Organic
Lettuce Seeds, Romaine - Vivian - Organic
Starting at $2.99
Organic Rouge d'Hiver Lettuce SeedsOrganic Rouge d'Hiver Lettuce Seeds Packet
-0
Heirloom
Organic
Lettuce Seeds - Rouge d Hiver - Organic
Starting at $2.99
Lettuce Seeds - Romaine - Parris White CosLettuce Seeds - Romaine - Parris White Cos Seed Packet
-0
Heirloom
Lettuce Seeds - Romaine - Parris White Cos
Starting at $2.49
Lettuce Seeds - Romaine - VivianLettuce Seeds - Romaine - Vivian Seed Packet
-0
Lettuce Seeds - Romaine - Vivian
Starting at $2.49
Lettuce Seeds - Romaine - SilviaLettuce Seeds - Romaine - Silvia Seed Packet
-0
Heirloom
Lettuce Seeds - Romaine - Silvia
Starting at $2.49
Lettuce Seeds - Romaine - DarleneLettuce Seeds - Romaine - Darlene Seed Packet
-0
Lettuce Seeds - Romaine - Darlene
Starting at $2.49
Lettuce Seeds, Romaine - Brune D'Hiver - OrganicLettuce Seeds, Romaine - Brune D'Hiver - Organic Seed Packet
-0
Heirloom
Organic
Lettuce Seeds, Romaine - Brune D'Hiver - Organic
Starting at $2.99
Lettuce Seeds, Romaine - Silvia - OrganicLettuce Seeds, Romaine - Silvia - Organic Seed Packet
-0
Heirloom
Organic
Lettuce Seeds, Romaine - Silvia - Organic
Starting at $2.99
Lettuce Seeds - Romaine - Freckles
Starting at $2.49
Lettuce Seeds - Romaine / COS - Dark Green Cos
Starting at $2.49
Lettuce Seeds - Tricolor Romaine Blend - Organic
Starting at $2.99
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