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Vegetables

Spinach

Spinacia oleracea

Spinach is a leafy green flowering plant native to central and southwestern Asia. It is known for its high nutritional value, being rich in vitamins A, C, K, and several B vitamins, as well as minerals like iron and calcium. Spinach is commonly used in salads, soups, and as a cooked vegetable. Its rapid growth and adaptability make it a popular choice among home gardeners and commercial growers.

Calculate System for Spinach
400.00–600.00mm
Water Need
120 days
Season
30.00–60.00cm
Root Depth
25,000 kg/ha
Yield
74,074
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

Spinach can be grown in various climates but prefers cooler temperatures. It is sensitive to bolting in warm weather, so early planting in spring or late summer for fall harvest is recommended. Varieties include savoy, flat-leaf, and semi-savoy.

Water Requirements

Season Total: 400.00600.00 mm
Water Stress Sensitivity: High
Salt Tolerance: Moderate
Water Productivity: 15.500 kg/m³

Recommended Methods

Drip Irrigation90.00%Fixed Sprinkler70.00%

Soil Compatibility

Optimal pH range: 6.0 – 7.5

Sandy Loam
AWC100.00mm/m
Drainagegood
Drainage: Well-drained soils preferred
Organic Matter: 2.00%
Soil should be rich in organic matter. Incorporate compost or well-rotted manure before planting to improve soil structure and fertility.

Climate Compatibility

Temperature range: 4.0°C – 24.0°C

Temperate Continental
ETo: 1.006.00 mm/day
Temp: -20.0°C – 30.0°C
Frost: high
Mediterranean
ETo: 3.007.00 mm/day
Temp: 5.0°C – 35.0°C
Frost: low
Frost Tolerance: Low frost tolerance
Heat Tolerance: Moderate heat tolerance
Spinach can tolerate light frost but should be protected from hard freezes. In warmer climates, consider growing in shaded areas during peak summer.

Planting Layout

45.00cm
Row Spacing
30.00cm
Plant Spacing
74,074
Plants per ha

Nutrient Requirements (kg/ha)

Nitrogen (N)150 kg/ha
Phosphorus (P)60 kg/ha
Potassium (K)180 kg/ha
40
Calcium (Ca) kg/ha
25
Magnesium (Mg) kg/ha
20
Sulfur (S) kg/ha
Schedule: Apply nitrogen in 3 splits during growing season, with phosphorus and potassium applied at planting.
Organic Matter: 2-3% organic matter recommended

Yield Information

25,000
kg/ha
0.500
kg/plant
0.450
Harvest Index
Quality Factors: Size, color, texture, nutrient content

Design Your Spinach Irrigation System

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

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Related Guides

Growing and Irrigating Spinach: A Comprehensive Guide

Growing and Irrigating Spinach: A Comprehensive Guide

Spinach is a versatile and nutritious leafy green vegetable that is easy to grow and maintain. In this article, we will discuss the most efficient and sustainable methods to grow and irrigate spinach, ensuring optimal crop yield and economic benefits. We will also introduce DripPro Irrigation Systems, a company that…

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