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Vegetables

Leek

Allium porrum

Leek is a biennial vegetable in the Allium family, closely related to garlic and onion. It is characterized by its long, cylindrical white stalk and green leaves. Leeks are valued for their mild flavor and are used in a variety of culinary dishes, including soups, stews, and salads. They are rich in vitamins A, C, and K, as well as minerals like manganese and iron.

Calculate System for Leek
450.00–700.00mm
Water Need
120 days
Season
30.00–60.00cm
Root Depth
20,000 kg/ha
Yield
222,222
Plants/ha

Growth Stages

Season: Mar – Aug (120 days)

Initial
Kc 0.400
30 days
Development
Kc 0.700
40 days
Mid-Season
Kc 1.000
60 days
Late
Kc 0.800
30 days

Leeks can be grown in various climates but prefer cooler temperatures. They are typically planted in spring for summer harvest or in late summer for overwintering. Varieties include 'King Richard', 'Lancelot', and 'American Flag'.

Water Requirements

Season Total: 450.00–700.00 mm
Water Stress Sensitivity: High
Salt Tolerance: Low
Water Productivity: 12.000 kg/m³

Recommended Methods

Drip Irrigation90.00%Furrow Irrigation50.00%

Soil Compatibility

Optimal pH range: 6.0 – 7.5

Sandy Loam
AWC100.00mm/m
Drainagegood
Drainage: Well-drained soils preferred
Organic Matter: 3.00%
Soil should be rich in organic matter to support healthy growth. Incorporating compost or well-rotted manure before planting can enhance soil fertility.

Climate Compatibility

Temperature range: 10.0°C – 25.0°C

Temperate Continental
ETo: 1.00–6.00 mm/day
Temp: -20.0°C – 30.0°C
Frost: high
Frost Tolerance: Moderate frost tolerance
Heat Tolerance: Low heat tolerance
Leeks thrive in cooler climates and can be sensitive to extreme heat, which can cause bolting. They can withstand light frosts, making them suitable for late-season harvest.

Planting Layout

30.00cm
Row Spacing
15.00cm
Plant Spacing
222,222
Plants per ha

Nutrient Requirements (kg/ha)

Nitrogen (N)120 kg/ha
Phosphorus (P)50 kg/ha
Potassium (K)150 kg/ha
30
Calcium (Ca) kg/ha
20
Magnesium (Mg) kg/ha
15
Sulfur (S) kg/ha
Schedule: Apply nitrogen in 2-3 splits during the growing season, with phosphorus and potassium applied at planting.
Organic Matter: 3-5% organic matter recommended

Yield Information

20,000
kg/ha
1.500
kg/plant
0.400
Harvest Index
Quality Factors: Size, tenderness, flavor

Design Your Leek Irrigation System

Use our free calculators to plan water requirements, spacing, and system costs for your Leek field.

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Related Guides

Growing and Irrigating Leek: A Comprehensive Guide

Introduction Leek (Allium ampeloprasum var. porrum) is a versatile and nutritious vegetable that belongs to the same family as onions and garlic. It is known for its mild and slightly sweet flavor, making it a popular choice in various culinary dishes. Growing leek can be a rewarding experience, both in terms of taste…

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