American flag leek seeds - Vegetable Plant

American Flag leek seeds produce hardy, cool-season plants with upright, cylindrical stems and long, flat green leaves. This variety grows steadily in garden beds and raised beds, performing best in fertile, well-drained soil with consistent moisture. It prefers full sun and adapts well to cool to moderate climates. American Flag leeks establish reliably and develop gradually over a long growing season, making them suitable for extended cultivation.

Features

• Upright plant with long, cylindrical stems
• Suitable for garden beds and raised beds
• Performs well in cool to moderate climates
• Prefers fertile, well-drained soil
• Requires consistent moisture for steady growth
• Suitable for long growing seasons

Specifications

• Scientific Name: Allium ampeloprasum var. porrum
• Common Name (US): Leek
• Seed Type / Variety: American Flag variety
• Growth Habit: Upright, clump-forming biennial grown as annual
• USDA Zones: 3–9
• Planting Season: Late winter to spring
• Growing Season: Cool season
• Sowing Season:
  • Late Winter: January to February
  • Spring: March to April
• Germination Time and Conditions: 10–14 days at 15–20°C with consistent moisture
• Sunlight Requirements: Full sun
• Soil Requirements: Fertile, well-drained loamy soil
• Watering Needs: Moderate; keep soil evenly moist
• Mature Plant Size: 30–60 cm height, 2–5 cm stem diameter
• Plant Spacing: 10–15 cm apart