Leek Seeds – Allium porrum Vegetable Plant

Leek is a cool-season vegetable crop grown for its thick, elongated leaf stalks and upright growth habit. Plants develop layered green leaves that form a blanched stem-like base as they mature. This species is suitable for garden beds, raised beds, and vegetable plots. Leek performs best in cool temperatures with fertile, well-drained soil and consistent moisture, providing reliable harvests during spring, fall, and mild winter growing seasons.

Features

• Cool-season vegetable crop
• Produces thick, elongated edible leaf stalks
• Upright clump-forming growth habit
• Suitable for garden beds, raised beds, and vegetable plots
• Adapted to cool growing conditions
• Performs well in fertile, well-drained soils
• Suitable for extended-season cultivation

Specifications

• Scientific Name: Allium porrum
• Common Name (US): Leek
• Seed Type / Variety: Allium porrum
• Growth Habit: Biennial vegetable grown as annual
• USDA Zones: 3-10
• Planting Season: Spring and Fall
• Growing Season: Spring through Fall
• Sowing Season: February-April and July-September
• Germination Time and Conditions: 7-14 days at 60-75°F (16-24°C)
• Sunlight Requirements: Full sun
• Soil Requirements: Fertile, well-drained loamy soil rich in organic matter
• Watering Needs: Regular watering; keep soil consistently moist
• Mature Plant Size: 12-36 inches tall, 6-12 inches spread
• Plant Spacing: 4-6 inches apart