Zermatt Leek Conventional & Organic
85 days. This Swiss Giant type is very early maturing in its class, providing a nice, upright habit with long shanks. Especially sought after for baby leek production, weeks ahead of the listed maturity; try a denser planting, thinning baby leeks as needed until you achieve proper spacing. Left to mature, the disease-resistant, strong based leeks can hold in the field well into the cool season.
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|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.
• 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
• Thin to the strongest plant when 4-5 inches
• 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