Romaine Lettuce

Parris Island Cos is fresh, flavorful, and has the highest nutritional value of our salad varieties! It is effortless to grow and can be used as a microgreen. Erect bushes of plants ripen in 65-70 days. They form 10-inch heads of Lettuce with dark green leaves and a creamy white heart. Lettuce has good resistance to fingertip burns, mosaic virus, and bolting. Parris Island Cos A romaine lettuce, named after an island off the coast of South Carolina, was introduced in 1952. The salad is a great side dish or addition to any salad.
  • How to grow Parris Island Cos Romaine Lettuce from seeds:
  • Sowing: Parris Island Cos Romaine Lettuce 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 10 to 12″ 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: 10-12″.
  • Growing of Parris Island Cos Romaine 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.
  • Parris Island Cos Romaine Lettuce Soil Requirements for: Keep the soil evenly moist.
  • Parris Island Cos Romaine Lettuce Seeds Days to Germination: 7-14 days.
  • Light Preference of Parris Island Cos Romaine Lettuce: Full Sun.
  • Life Cycle of Parris Island Cos Romaine Lettuce: Annual.
  • How and When to Harvest Parris Island Cos Romaine Lettuce: To keep it crisp and sweet, you should 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.
  • Parris Island Cos Romaine Lettuce Days to Maturity: up to 80 days.
  • Parris Island Cos Romaine Lettuce 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.


  • Common Names: Lettuce, Romaine
  • Latin Name: Lactuca sativa
  • Species Origin: Greek island
  • 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: 12 Inches
  • Color: Red
  • Uses: Culinary


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