Yedikule Lettuce with roasted lettuce on a white background.
YEDIKULE Lettuce head on a wooden background.
Yedikule Lettuce salad greens in a bowl with dressing, head, and loose leaves on foreign newspaper
Yedikule Lettuce with roasted lettuce on a white background.
YEDIKULE Lettuce head on a wooden background.
Yedikule Lettuce salad greens in a bowl with dressing, head, and loose leaves on foreign newspaper

Lettuce Seeds,
Yedikule

4.621 ReviewsSKU: #LT120Min. seed count: 250
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Description

(Lactuca sativa) Cos. The ancient 'greasy' lettuce of historic Constantinople, it is excellent for salads and grilling. Ancient variety that has been grown by urban farmers near modern-day Istanbul, Turkey, for the past 1,500 years. This variety has been cultivated for centuries in Istanbul's famous urban gardens, called Bostans. These ancient gardens are now threatened by urban sprawl; thankfully, there has been a resurgence of attention from local seed savers to keep this variety from going extinct. This variety has been recognized by the Ark of Taste as a beloved culinary symbol of the historic gardens. A romaine type with long leaves, a crisp center and white seeds. Locals report that the incredible flavor and tender leaves are so juicy and high in natural oils that there is no need for dressing. Thanks to Kate Jantz-Koprivnik for bringing this variety to our attention and for working so hard to grow us seeds. We are delighted to offer this culturally important and highly gourmet variety!

Growing Tips: Yedikule lettuce is best grown as a spring or fall crop in most areas. It thrives in well-drained, fertile soil with plenty of organic matter, requiring 4-8 hours of sun daily. The ideal temperature for optimal growth is 60-80 F. Keep the soil consistently moist but not waterlogged.

Plant Details

Botanical Name
Lactuca sativa
Life Cycle
Annual
Sun Requirement
4–8 hr.
Days to Germinate
7–10
Days to Maturity
65–80
Planting Depth
¼ in.
Plant Spacing
8 in.
Ideal Temperature
60–80°F
Frost Hardy
Yes

When to Grow

Yedikule lettuce thrives in cooler weather, making it best to plant in early spring or late summer. Sow the seeds directly in the garden once the soil can be worked in spring or start them indoors 4-6 weeks before the last expected frost date. This lettuce variety can also be grown in fall for a late-season harvest. If you’re not sure how to find your first and last frost dates, consult our blog post 'Our Experts Answer Questions, Share Resources.'

How to Sow and Plant

For heading lettuce, sow seeds 1/4 inch deep, spacing them about 8 inches apart. For baby greens or loose-leaf lettuce, scatter the seeds thickly and lightly rake them into the soil. Ensure the soil is consistently moist during the germination period, which can take 1-2 weeks depending on the temperature. Thin seedlings to allow sufficient space for mature plants, typically about 8 inches apart​​.

How to Grow

Yedikule lettuce prefers full sun to partial shade and well-draining soil rich in organic matter. Regular watering is crucial to keep the soil evenly moist, especially during dry periods. Mulching can help retain soil moisture and suppress weeds. Monitor for pests such as cutworms and slugs, using organic methods like placing a stick near the stem to deter cutworms or setting up traps for slugs.

How to Save Seeds

  • Lettuce is a self-pollinating annual, making it an easy crop for seed saving.
  • Choose the best and healthiest plants and allow them to send up flower stalks.
  • Once seed heads are dried and have turned a yellowish-tan color, cut the entire stalk and place in a bag.
  • Crush the seed heads in the bag and separate the chaff.
  • Store in an airtight container in the refrigerator for up to 4 years.

FAQ

How often should I water Yedikule lettuce?

Water regularly to maintain consistent soil moisture, approximately 1 inch per week. Avoid waterlogging as it can lead to root diseases.

Can Yedikule lettuce be grown in containers?

Yes, Yedikule lettuce can be grown in containers. Use a pot with good drainage and at least 6 inches deep. Ensure the container is placed in a sunny location.

How do I prevent Yedikule lettuce from bolting?

To prevent bolting, plant in cooler weather, provide partial shade during hot periods, and maintain consistent moisture. Harvesting the leaves regularly can also help keep the plants productive without bolting.

Browse our full range of lettuce seeds.
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