Iceberg Lettuce

Lettuce leaves form large, light green crispy heads of cabbage with excellent flavor. The salad ripens in just 70 days. They have high yields and can tolerate both heat and cool weather, so you should plant seeds in spring or autumn. The leaves are used for salads or sandwiches.
The Great Lakes is the first iceberg lettuce ever developed. However, the wild salad from which the modern salad is derived originated in Asia Minor. Records testify to its use as early as the 6th century. Columbus brought it with him to the New World, starting its spread across the North American continent. Without a doubt, Lettuce now occupies a place in almost every garden on the globe.

 

How to grow Iceberg Lettuce from seeds:

  • Sowing: Great Lakes seeds grow well in cool weather without being afraid of the heat. You can start sowing when the soil temperature reaches 35 degrees F, and the soil has been cultivated. When the soil temperature reaches over 75 degrees F, the seeds go into a dormant state. Plant the seeds directly in rich soil and full sun, spreading them as thinly as possible in rows 1-2″ apart. When the seedlings begin to grow, cut them 12 to 24″ apart. For a year-round harvest of fresh Lettuce in areas with cool summers or warm winters, sow a new crop every 2 weeks. Grow salad with onions, cucumbers, or carrots for added benefits.
  • Plant Spacing: 8-12″.
  • Growing of Iceberg Lettuce: To nourish and moisturize the small roots of the Lettuce, it needs a sufficient amount of moisture. This condition allows you to maintain its tenderness and sweetness. The application of mulch helps to retain moisture and control weeds. The salad is quite a heat resistant. Great Lakes is slow to bolt.
  • Iceberg Lettuce Soil Requirements for: Keep the soil evenly moist and between 70-85 degrees F.
  • Iceberg Lettuce Seed Days to Germination: 7-14 days.
  • Light Preference of Iceberg Lettuce: Full Sun.
  • Life Cycle of Iceberg Lettuce: Annual.
  • How and When to Harvest Iceberg Lettuce: To keep it crisp and sweet, it is best to harvest Lettuce in the morning. For microgrеens, cut the plant abovе the soil surface when it reaches 2-3″ tall. The outside leaves of the plant can be harvested throughout the season. As the main stem of the plant begins to grow, the leaves will turn bitter. The salad tastes best when fresh but keeps in the refrigerator for about a week.
  • Iceberg Lettuce Days to Maturity: up to 90 days.
  • Iceberg Lettuce's Seed Saving: Lettuce will bolt or send up a stalk as summer days get longer. It would be best if you collected seeds from plants that grow slowly. When the stem has bloomed, and pods are formed, wait until they turn light brown and crack. To prevent seed loss, shake the stem head into the bag every day. When most pods are ready to harvest, you can remove the entire plant and hang it upside down to dry in a sheltered location. Shake the lettuce seeds with the pods or crush the pods with your hands. The seed will have white "feathers" removed by rubbing the seed on a fine mesh. Store lettuce seeds in a cool, dry place for 2-3 years.

FAST FACTS:

  • Common Names: Lettuce, Iceberg
  • Latin Name: Lactuca sativa
  • Species Origin: California
  • Type: Open Pollinated, Heirloom, Cool Season
  • Life Cycle: Annual
  • USDА Zones: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
  • Seeds per Ounce: 20,000
  • Sunlight: Full Sun
  • Height: 10 Inches
  • Color: Green
  • Uses: Culinary

 

 

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