Leek Giant (treated) 500 Non-GMO, Heirloom Seeds

A group of fresh Giant Musselburgh leeks with white and green stalks, showing the medium dark green leaves.
A circular illustrated wreath of vegetables surrounding the words &

Leek Giant (treated) 500 Non-GMO, Heirloom Seeds

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  • Hand-Packed at Our Farm in Rossville, Texas
  • Always Non-GMO
  • Easy to Grow Seeds
  • Veteran-Owned & Family Operated

Leek Giant (treated) is a time-tested heirloom variety renowned for its exceptional cold hardiness and reliable performance in home gardens. These impressive plants develop thick, tender stalks measuring 2 to 3 inches in diameter and 9 to 15 inches in length, with pristine white flesh and medium dark green foliage. Maturing in approximately 130 days, they’re ideal for gardeners seeking substantial harvests of premium-quality leeks. Seeds are treated to improve germination rates and early vigor.

Germination Rate: 85%. Test Date: 10/25. WILL.

Why Choose Giant Leek?

  • Impressive size: Stalks reach 2–3 inches in diameter and 9–15 inches in length — among the largest leeks you can grow at home.
  • Exceptional cold hardiness: Withstands frost and cold snaps, extending your harvest deep into fall and winter.
  • Heirloom Seed: Passed down through generations for at least 75 years for consistent, reliable harvests.
  • Non-GMO Seeds: Not altered in ways that do not occur naturally through traditional breeding methods.
  • Treated for germination: Seed treatment improves germination success and early seedling vigor.
  • Mild, sweet flavor: White stalk delivers a delicate onion flavor perfect for soups, braises, and roasts.
  • 85% germination rate: Tested for confidence before it reaches your hands.

Planting Tips for Success

  • Start indoors: Sow seeds 10–12 weeks before last frost, ¼ inch deep in seed trays.
  • Transplant: Move outdoors after last frost when seedlings are pencil-thick, about 6 inches tall.
  • Spacing: Plant 6 inches apart in rows 12 inches apart; set plants deep in trenches to blanch the stalks white.
  • Sunlight: Full sun, 6–8 hours daily.
  • Soil: Rich, well-draining soil with compost worked in. Leeks are heavy feeders.
  • Watering: Consistent moisture, about 1 inch per week. Avoid waterlogging.
  • Fertilizing: Side-dress with balanced fertilizer monthly to support long growing season.
  • Hilling: Mound soil around stalks as they grow to increase the blanched white portion and improve flavor.
  • Harvest: Ready in approximately 130 days. Harvest before heavy freeze or leave in ground — cold improves sweetness.

Why Choose David’s Garden Seeds®?

  • Veteran-Owned: Supplying premium seeds since 2009.
  • GO TEXAN Certified: Supporting local agriculture and communities.
  • Integrity Pledge: David’s Garden Seeds has taken the Safe Seed Integrity Pledge.
  • Vegetable Seed License: David’s Garden Seeds has been granted a Vegetable Seed License for the State of Texas.

Cooking Methods

  • Soup: The classic use — leeks are the star of potato leek soup, vichyssoise, and French onion-style broths.
  • Braised: Halve and braise in butter and stock until tender — a simple, elegant side dish.
  • Roasted: Roast whole at 400°F with olive oil until caramelized and sweet.
  • Sautéed: Slice thin and sauté in butter as a base for pasta, risotto, or quiche.
  • Grilled: Halve lengthwise, brush with oil, and grill for smoky flavor.
  • Raw (young): Tender young leeks can be thinly sliced into salads for mild onion flavor.

Order Giant Leek Seeds Today!

Add this cold-hardy, impressive heirloom leek to your garden and enjoy massive, sweet stalks from fall through winter.

Nutritional Information

Per 1 cup (89g) chopped raw leek:

  • Calories: 54
  • Total Carbohydrates: 12.6g
  • Dietary Fiber: 1.6g
  • Sugars: 3.5g
  • Protein: 1.3g
  • Vitamin K: 42% DV
  • Vitamin A: 30% DV
  • Vitamin C: 14% DV
  • Folate: 14% DV
  • Manganese: 21% DV

Important Disclosures

  • Variety Disclaimer: Seed variety, appearance, and packet design may vary slightly from images shown.
  • Seed Storage: Store seeds in a cool, dry location away from direct sunlight. Properly stored seeds maintain viability for 2–3 years.
  • Planting Zones: Giant Leek thrives in USDA Hardiness Zones 3–11. Best started indoors in late winter; plant out in spring or fall depending on your zone.

Thank you for choosing David’s Garden Seeds® — where quality, integrity, and your gardening success come first.