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American Flag Leek


American Flag Leek is an heirloom leek variety with a sweet flavor and exceptional cold-tolerance. Great for soups and stews. Allium porrum. 90 days to maturity.

50 seeds per packet


American Flag Leek is an heirloom, open-pollinated leek variety that is widely-adapted with exceptional cold tolerance. This variety can produce 15-18" leeks with a 3" diameter. They have a sweeter flavor than most leek varieties, and an almost creamy texture. American Flag is delicious when chopped to use in your favorite stew or soup recipe.


Growing Information

American Flag Leek can be direct-seeded or transplanted, although we recommend transplanting. For direct-seeding, plant seeds 2″ apart along the row with a row spacing of 24″. Once seedlings emerge, thin seedlings to a 6″ plant spacing along the row. American Flag Leek seeds can be planted with our Hoss Garden Seeder. We recommend using a #1 seed plate and modifying the hole size slightly to accommodate the leek variety being planted.

For transplanting, plant one seed per cell in our heavy-duty seed starting trays. Once the green stems reach 6-8″ in length and/or they can be easily pulled from the seed trays, the transplants are ready to go in the ground. Transplant leeks 6″ apart along the row with a row spacing of 24″. If drip irrigation is used, leeks may be planted on double rows with drip irrigation in the middle. We suggest burying the drip tape 3-4″ deep and planting on both sides of the tape.

Leeks are heavy feeders and will require significant nutrient inputs throughout their lifespan. We recommend feeding them with our 20-20-20 and Ammonium Sulfate fertilizers. Administer 20-20-20 shortly after transplanting. The phosphorous and potassium in the 20-20-20 fertilizer will help to promote solid root development, while the nitrogen will promote vegetative growth. Once transplants are established, we recommend side-dressing or injecting with our Ammonium Sulfate fertilizer. Side dress or inject 1 cup per 20 feet of linear row every 3-4 weeks after transplanting.

American Flag Leek Planting Information

Planting Method: transplant

When to Plant: early spring and fall

Planting Depth: 1/4"

Seed Spacing: 6"

Row Spacing: 24"

Days to Maturity: 90

Disease Resistance: None

Customer Reviews

Based on 1 review

Order was processed quickly and I received quickly. I am just waiting on right time to plant.