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Leek Growing Guide
Leek Growing Guide
Soil Temp for Germ. Days to Emergence Seed Depth Soil Temp. for Trans. Plant Spacing Row Spacing Min. Germ. Seed Life Seeds per 1/2 gram Fertilizer Needs
50-85°F 6-16 1/4-1/2" 45°F 4-5" 12-18" 70% 1 year ≈ 175 Medium

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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