Lettuce
Lactuca sativa

Lettuce Variety Trial Garden
Like many plant types, lettuce greatly benefits from starting the seeds indoors and transplanting into the garden. Direct sown seed will generally grow, but are fragile and you will be at the mercy of nature - weather, birds, insects, rodents, soil borne diseases, etc. Additionally, it is very difficult to direct sown a perfect planting distance and when it comes to lettuce, this is critical.

The preferred method, the one that professional growers use, is to start your seeds in flats, cell trays, or even in pots in a cold frame, in early spring. Space the seeds to one inch apart, cover lightly with fine seed starting mix, and keep moist until the seedlings emerge. [Continued Below]

Each packet contains one gram of seeds. Seed count varies by variety.
Click on variety's picture or name below for more information and quantity pricing options (where available).
Products (Total Items: 33)
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All The Year Round Lettuce
Medium sized heads stay firm and solid even in hot weather.
$1.95
Black Seeded Simpson Leaf Lettuce
Large upright, compact leaf-type with light green, wide, curled leaves.
$1.95
Bronze Mignonette Butterhead Lettuce
Plants are small and compact. An heirloom butterhead-type.
$1.95
Buttercrunch Bibb Lettuce
Long standing, heat tolerant, and dark green with reddish tints.
$1.95
Cimmaron Romaine Lettuce
Medium sized heads stay firm and solid even in hot weather.
$1.95
Great Lakes 118 Lettuce
Large with slightly crumpled, thick, broad, glossy heads.
$1.95
Great Lakes 659 Head Lettuce
Produces medium-large, solid heads; does best in warmer weather.
$1.95
Green Ice Lettuce
Glossy, dark-green leaves. Exceptionally crisp and slow to bolt.
$1.95
Hanson Improved Head Lettuce
Large, yellowish-green heads with frilled leaves and white hearts.
$1.95
Iceberg Head Lettuce
Medium-size heads, light green with white interiors.
$1.95
Italienischer Leaf Lettuce
Sweet, crisp, vibrant green leaves
$1.95
Kagraner Sommer Lettuce
Good mid-season butterhead variety, slow to bolt in the summer.
$1.95
Little Gem Cos Lettuce
Small heads, heat tolerant, excellent flavor, sweet and crunchy.
$1.95
Lollo Bionda Leaf Lettuce
Beautiful lime-green colored, deeply curled, very mild flavor.
$1.95
Lollo Rosso Leaf Lettuce
Beautiful magenta with a light green base, deeply curled, very mild flavor.
$1.95
Merveille de Quatre Saisons Lettuce
Ruby red-tipped leaves that surround tight folded green hearts.
$1.95
New York 12 Lettuce
Up to 12-inch, almost round, dark green, solid heads that are silvery-white, sweet, and crisp yet tender inside.
$1.95
Oak Leaf Lettuce
Early leaf-type lettuce variety that is tender and long standing.
$1.95
Parris Island Cos Romaine Lettuce
Uniform heads are tall and erect.
$1.95
Prizehead Leaf Lettuce
Leaves are upright, deeply curled, broad, and light green.
$1.95
Red Romaine Lettuce
A gourmet variety, adds color and tartness to a tossed green salad.
$1.95
Rouge d'Hiver Romaine Lettuce
Sweet flavored and very attractive.
$1.95
Ruby Leaf Lettuce
A beautiful leaf lettuce with intense red color that holds.
$1.95
Salad Bowl, Green - Leaf Lettuce
Light green, long wavy leaves are slow to bolt.
$1.95
Salad Bowl, Red - Leaf Lettuce
Slow to bolt allowing for a long harvest period. Attractive addition to a tossed salad.
$1.95
Simpson Elite Lettuce
Similar to 'Black Seeded Simpson', frilly, bright yellow-green leaves, but more uniform and slower to bolt.
$1.95
Sweet Valentine Romaine Lettuce
Sweet, mild, and slow bolting.
$1.95
Tango Leaf Lettuce
Leaves are extremely frilly, look almost like endive and are tangy.
$1.95
Tom Thumb Butterhead Lettuce
Compact butterhead-type plants with small, tennis ball sized heads.
$1.95
Waldmann's Green Leaf Lettuce
Leaf-type lettuce with large, frilled leaves that are dark green.
$1.95
Wayahead Lettuce
compact buttery heads of savoyed, vibrant green leaves with tender, cream color hearts.
$1.95
White Boston Lettuce
Large hearts blanch to a bright, creamy, butter-yellow color.
$1.95
Winter Density Bibb-Romaine Lettuce
Slow to bolt and is tolerant of some frost.
$1.95
 
 
 
[Continued from Above] Lettuce germinates in seven to fourteen days at soil temperature between 60 and 70ºF. When the plants are a few inches tall and you have prepared the soil in your garden, transplant spacing them four to six inches apart. Keep them watered until the plants are established. At about six inches tall, thin them to a final spacing of ten to twelve inches. Control weeds by mulching or periodic cultivation and fertilize as needed during the growing cycle with Nitrogen rich natural fertilizer like kelp meal and/or fish emulsion.

This step of thinning is especially critical for heading varieties of lettuce. If you don't space them properly, you will still have lettuce to eat, but the pressure from crowding the plants will create a competition for water and nutrients and they will likely not head. One of the most common "least favorite" gardening tasks folks have (myself included) is thinning. It feels like you are wasting seeds, time and killing poor little plants. But think of it as a required part of growing healthy lettuce. Plus as a reward for doing the thinning step, the plants you remove will give you an early season salad. I guess you can think of it as an early season harvest.

The other error that people make in planting their lettuce, especially heading varieties is their timing. It is critical that you time your sowings and your harvests. Sow early, transplant early and plan to harvest your crop before the summer heat comes. Heat is an enemy of lettuce as it is another stress that will cause the plants to bolt. Heading varieties are not forgiving like many other garden vegetables. As a matter of fact, at temperatures in the 70 to 80ºF range, head lettuce varieties will skip the heading stage and bolt (flower and go to seed). Again, plan your lettuce planting. The optimal temperature range for growth is 60 to 65ºF.

For continued salad makings during the summer months, do succession plants of slower bolting leaf lettuce varieties, as well as other leafy greens, and in mid to late summer, you can replicate your early spring process and grow another crop of head lettuce as the temperatures start to cool down in the fall.

In addition to the lettuce varieties on this page, here are other greens that you might be interested in adding to your tossed salad:

Harvest Tips:
  • If you are growing leaf-type lettuce varieties for salads and not worried about saving seeds, you can succession plant densely in beds or wide rows and begin cutting tender leaves, using scissors, when they reach about four inches.
  • No matter what variety, always harvest lettuce before the leaves begin to elongate and the plants prepare to bolt (produce flower heads). Lettuce will become bitter at that stage.
  • Like most vegetables, harvest in the cool of the morning for the best produce. It will be at its peak of crispness.

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