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Cultivating Gardeners
Home LEEK Comanche Leek Seed

COMANCHE

COMANCHE

100 days. Comanche is our first choice especially for Pacific Northwest gardens. It's an adaptable and high-yielding leek for both summer and fall harvest, producing clean, upright plants with long, thick white shanks and dark blue-green leaves. This one is easy to peel and clean, so it’s a pleasure to work with in the kitchen.

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ORGANIC SEED

$4.95

$4.95

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Customer Reviews

Based on 1 review
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Henry L.
Not a single seed germinated

I have been gardening for over 20 years and have grown leeks every year for the last 5 years, but sadly not this year. The leek seeds I ordered from Territorial did not germinate. I believe leek seeds (alliums in general) have a very short shelf life, so I suspect it was older seed, despite ordering it this spring. Hopefully, this was a one-off occurrence, but it was still very frustrating.

We're sorry to hear about your experience. This variety was freshly packaged for the 2025 season, so the seed you received isn't from an old batch. We do germ test all of our seeds and to ensure we sell only top performing seed, we have established germination standards that are higher than prescribed by the Federal Seed Act. Our minimum germination standard for leeks is 70% and the most recent test for this variety passed at 72%. As always, our products are backed by our full guarantee. We want you, our customers, to be 100% satisfied with the seed, plants and supplies that you purchase from us. If anything you buy from Territorial proves to be unsatisfactory, we will either replace the item (if available) or refund the purchase price, whichever you prefer (for up to 1 year from purchase). Contact our customer service (Monday-Friday 8AM-5PM Pacific Time) at either 800-626-0866 or info@territorialseed.com

Soil Temp for Germ 50–85°F
Seed Depth ¼–½"
Days to Emergence 6–16
Soil Temp for Transp 45°F
Plant Spacing 4–5"
Row Spacing 12–18"
Fertilizer Needs Medium
Minimum Germination 70%
Seeds per Gram ≈ 350
Seed Life 1 year

Allium ampeloprasum Packed with vitamins K and A, this hearty member of the onion-family is superb in soups and stews, grilled, or sliced into slivers and added to omelets. Get creative with this versatile veggie!

Days to maturity are calculated from transplant date.

Culture
• Leeks are a frost-hardy cool season crop requiring a long growing period
• Best growth is achieved with fertile, well-drained soil with a pH of 6.0-7.0
• Plant in a trench 5 inches deep and wide, work in 1/2 cup of TSC's Complete fertilizer per 5 row feet
• Blanch to increase the length of white stem by gradually filling in the trench as the leeks grow

Direct Sowing
• Thin to the strongest plant when 4-5 inches

Transplanting
• Sow up to 10-12 seeds in a 4-6 inch pot
• If tops reach over 5 inches before transplant, cut to 3 inches
• When planting out carefully separate the seedlings and place in a shallow trench
• Fill trench around seedlings and water in well

Harvest & Storage
• Harvest anytime the leeks are 1/2 inch in diameter or larger
• Store at 36°F and 95% relative humidity

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