Lettuce Seeds
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Parris Island Cos Romaine Lettuce is a beloved American classic introduced in 1952 and named for an island off the South Carolina coast — the crisp...
View full detailsFreckles Romaine Lettuce is a fun and distinctive heirloom with a cool pattern — the upright, pale green leaves are splashed with irregular red-bro...
View full detailsTango Leaf Lettuce is a MiGardener staff favorite with a texture unlike any other lettuce — the leaves are covered in hundreds of delicate crinkles...
View full detailsSuper Red Romaine Lettuce is exactly as described — the leaves are the deepest, most saturated shade of red available in any romaine variety, makin...
View full detailsBlack Seeded Simpson Lettuce is one of the most beloved and reliable loose-leaf lettuces in the American home garden — fast-growing, non-bitter, an...
View full detailsCimmaron Lettuce is a stunning romaine variety with upright heads of rich ruby-red and deep purple leaves that are as beautiful on the plate as the...
View full detailsLolla Rossa Leaf Lettuce is a beautiful curly, deep burgundy-red variety with highly decorative, ruffled leaves and a mild, slightly nutty flavor t...
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Grand Rapids Leaf Lettuce is a Michigan classic bred in the late 1800s and beloved ever since for its large, frilly, loosely formed heads with more...
View full detailsPrizehead Leaf Lettuce produces gorgeous, lush heads with loose, curled outer leaves in striking shades of purple and bronze that gradually transit...
View full detailsOakleaf Lettuce is a charming loose-leaf variety with tender, medium-green leaves shaped distinctively like those of an oak tree — the deeply lobed...
View full detailsRuby Red Leaf Lettuce is the darkest red loose-leaf lettuce available, and uniquely the color only intensifies and deepens with more sunshine — a s...
View full detailsLettuce Seeds for Planting: Crisp Heads, Loose Leaves, and Salad Mixes
Homegrown lettuce is one of the easiest ways to get a steady stream of fresh salad, and starting from seed opens up shapes, colors, and flavors you'll never see on a supermarket shelf. Our collection of lettuce seeds covers buttery heads, crunchy romaines, frilly loose-leaf types, and ready-made salad blends. Both organic and conventional options are available, and each listing notes which is which, so you can filter by organic status, heirloom type, and container-friendliness.
Lettuce Seed Varieties: Butterhead, Romaine, Loose-Leaf, and Mixes
Butterhead fans can choose from Buttercrunch, Bibb, Little Gem, Tom Thumb, Tennis Ball, and Yugoslavian Red Butterhead, all soft, sweet, and tender. For crisp, tall heads, Jericho, Parris Island Cos, Freckles, Cosmo, and Rouge d'Hiver are dependable romaines, while Iceberg and Hanson Improved offer classic crisphead crunch. If you like to pick leaf by leaf, loose-leaf varieties such as Black Seeded Simpson, Salad Bowl, Red Salad Bowl, Oakleaf, Red Sails, Lollo Rossa, and Deer Tongue keep producing as you harvest. Prefer variety in one packet? Mesclun Mix, Gourmet Lettuce Blend, Salad Bowl Mix, DMR Salad Blend, and Wild Garden Lettuce Mix give you a range of colors and textures. There are also specialty greens like frisée, escarole, and Claytonia (miner's lettuce) for salads with more bite.
Growing Lettuce from Seed: Cool Soil, Steady Sowing
Lettuce is a cool-season crop, and its seed is unusually tolerant of cold: it can germinate at soil temperatures as low as 35°F, while optimal germination happens between 70 and 75°F and hot soil can suppress sprouting. That's why spring and fall are the best planting windows, and it's also why timing is so important. Most listings in this collection show 31 to 60 days to maturity, so lettuce moves fast enough to sow every couple of weeks for continuous harvests. Keeping track of repeat sowings is exactly what the Seedtime garden planning software is built for, with a planting calendar that follows your frost dates and a layout planner that helps you tuck lettuce between slower crops as they grow.
Buy Lettuce Seeds with One Shipping Charge
When you buy lettuce seeds here, you can add seeds from multiple suppliers to the same order and pay one flat shipping charge, or qualify for free standard shipping on Seedtime-fulfilled orders of $49 or more to the lower 48 states. Paid Seedtime members get 20% off seed packets marked "Fulfilled by Seedtime" and 5% off everything else in the store. You can start planning for free, and if you want unlimited calendars and layouts along with those store discounts, compare Seedtime's plans to find the right fit. Whether you want a single lettuce seed packet or a lineup of heads, leaves, and mixes, it all ships together.
Frequently Asked Questions
Why does my lettuce turn bitter and shoot up a stalk?
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That's bolting, and heat is the main trigger. Several days above 85°F cause lettuce to form a seed stalk, and the leaves turn bitter as it does. Sowing in early spring and again in late summer, giving plants afternoon shade, and choosing slow-bolting varieties all help extend your harvest before it happens.
How do I harvest lettuce so it keeps growing?
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With loose-leaf types, pick the outer leaves and leave the center intact, and the plant will keep producing for weeks. For heading types like romaine and butterhead, cut the whole head at the base once it feels firm. Harvest in the morning when leaves are crisp and cool, and rinse and refrigerate soon after for the longest shelf life.
How much space does lettuce need, and can I grow it in containers?
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Lettuce is well suited to containers. A single head does well in a 6-inch pot, and in larger containers plants can be spaced on 10-inch centers. Loose-leaf and baby-leaf types can be sown more thickly and cut young, so even a windowsill box or a small raised bed can produce a steady supply of salad.