Upright green and red romaine lettuce growing in a garden bed

Lettuce Romaine Seeds

8 products

    Grow fresh crunch with romaine lettuce seeds from David's Garden Seeds®. Also called cos lettuce, romaine is known for upright leaves, prominent ribs and a crisp texture. Choose varieties for fresh salads, sandwiches and lettuce cups, matching the selection to your growing season and preferred harvest size.

    Explore Your Romaine Choices

    • Paris White COS and Winter Density: Compare these selections for individual plant size, maturity and harvest guidance.
    • Pelleted options: Explore Monte Carlo, Dragoon, Truchas, Sunland, Costal Star and Green Forest in the packet sizes offered on their listings.
    • Plan your harvest: Compare each variety's suitability for young leaves or mature heads rather than expecting every selection to grow to the same size.

    Plan for Cool-Season Growing

    Lettuce generally performs best in cool conditions. Spring and fall are useful planting seasons in many regions, but local timing varies. Heat can reduce germination, encourage bolting and affect flavor. Variety names and tolerance descriptions do not guarantee sweetness, winter survival or performance in extreme weather.

    Planting Tips for Success

    • Choose suitable starting conditions: Follow each listing's sowing-temperature and timing guidance. Avoid relying on a hot seedbed for reliable germination.
    • Sow shallowly: Follow the variety's depth instructions rather than deeply burying small seeds.
    • Keep pellets moist: Maintain even moisture while the coating softens and seedlings emerge, without leaving the seedbed waterlogged.
    • Provide suitable light and soil: Use fertile, well-drained soil and a location suited to your season. Afternoon shade may help during warmer periods.
    • Space for mature plants: Allow enough room for the selected head size and airflow.
    • Water consistently: Avoid repeated wilting and drying as leaves develop.
    • Feed thoughtfully: Use soil-test guidance and fertilizer-label directions rather than excessive feeding.
    • Stagger sowings: Where conditions allow, sow small batches for a spread of fresh harvests.

    Harvest for Crisp Leaves

    Follow each variety's guidance for young leaves or mature heads. If picking outer leaves, protect the growing center and avoid stripping the plant. Repeat harvest depends on plant condition and method; it is not unlimited. Harvest before bolting reduces eating quality, wash leaves well and refrigerate promptly for fresh use.

    Ways to Enjoy Your Harvest

    • Fresh salads: Chop crisp leaves and ribs for Caesar-style or mixed garden salads.
    • Sandwiches: Add fresh leaves for texture and garden flavor.
    • Lettuce cups: Use suitable larger leaves with cool fillings.
    • Quick grilling: Grill suitable halved harvested heads briefly for lightly charred flavor.

    Serving suggestions refer to harvested lettuce, not planting seeds or pellet coating.

    Why Choose David's Garden Seeds®?

    • Veteran-Owned: Supplying premium seeds since 2009.
    • GO TEXAN Certified: Supporting local agriculture and communities.
    • Integrity Pledge: David's Garden Seeds has taken the Seed Integrity Pledge.
    • Vegetable Seed License: David's Garden Seeds has been granted a Vegetable Seed License for the State of Texas.

    Order Romaine Lettuce Seeds Today

    Choose crisp romaine for fresh salads and garden-to-table meals.

    Browse individual products for availability, seed counts and specific growing instructions. Plant size, color, flavor and harvest timing vary with variety and conditions. These products are seeds, not harvested lettuce or live plants.

    Grow something beautiful. Grow something delicious. Grow with David's Garden Seeds®.

    8 products
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    Square generated photograph of whole Paris White Cos romaine and lengthwise-cut halves on a wooden cutting board
    Lettuce Romaine Paris White COS 1000 Non-GMO, Heirloom Seeds
    David's Garden Seeds®
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    Winter Density romaine lettuce with a whole head, halved head, and chopped leaves on a wooden cutting board.
    Lettuce Romaine Winter Density 1000 Non-GMO, Heirloom Seeds
    David's Garden Seeds®
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    Compact green romaine, halved pale heart and chopped lettuce on a wooden cutting board
    Pelleted Seed Lettuce Romaine Monte Carlo 4 Sizes Non-GMO, Heirloom Seeds
    David's Garden Seeds®
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    Whole, halved, and chopped green mini romaine lettuce on a wooden cutting board
    Pelleted Seed Lettuce Romaine Dragoon 4 Non-GMO, Heirloom Seed Sizes Available
    David's Garden Seeds®
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    Dark burgundy mini romaine heads, halved and chopped, on a wooden cutting board
    Pelleted Seed Lettuce Romaine Truchas 4 Sizes Non-GMO, Heirloom Seeds
    David's Garden Seeds®
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    Compact green romaine head, halved heart and chopped lettuce on a wooden cutting board
    Pelleted Seed Lettuce Romaine Sunland 4 Sizes Non-GMO, Heirloom Seeds
    David's Garden Seeds®
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    Whole, halved, and chopped dark-green romaine lettuce on a wooden cutting board
    Pelleted Seed Lettuce Romaine Green Forest 4 Sizes Non-GMO, Heirloom Seeds
    David's Garden Seeds®
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    Whole and halved full-size green romaine with chopped lettuce on a wooden cutting board
    Pelleted Seed Lettuce Romaine Costal Star 4 Non-GMO, Heirloom Seed Sizes Available
    David's Garden Seeds®