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Fruits

Star Fruit

Averrhoa carambola

Star fruit, also known as carambola, is a tropical fruit-bearing tree known for its distinctive star-shaped cross-section. The fruit is crisp, juicy, and has a sweet-tart flavor. It is rich in vitamin C and antioxidants, making it popular in culinary uses, juices, and salads. The tree can grow up to 6-8 meters tall and is valued for its ornamental qualities as well.

Calculate System for Star Fruit
400.00–600.00mm
Water Need
120 days
Season
30.00–60.00cm
Root Depth
25,000 kg/ha
Yield
20,000
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

Star fruit thrives in well-drained soils and requires full sun for optimal growth. Varieties include 'Fwang Tung', 'Arkin', and 'Korean', each with unique flavor profiles and growth habits.

Water Requirements

Season Total: 400.00–600.00 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 to support healthy growth. Regular soil testing is recommended to monitor pH and nutrient levels, and amendments may be necessary to maintain optimal conditions.

Climate Compatibility

Temperature range: 15.0°C – 30.0°C

Temperate Continental
ETo: 1.00–6.00 mm/day
Temp: -20.0°C – 30.0°C
Frost: high
Mediterranean
ETo: 3.00–7.00 mm/day
Temp: 5.0°C – 35.0°C
Frost: low
Frost Tolerance: Low frost tolerance
Heat Tolerance: Moderate heat tolerance
Star fruit is sensitive to frost and should be protected in cooler climates. It prefers warm, humid conditions and can benefit from shade during extreme heat.

Planting Layout

100.00cm
Row Spacing
50.00cm
Plant Spacing
20,000
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
Organic Matter: 2-3% organic matter recommended

Yield Information

25,000
kg/ha
2.500
kg/plant
0.450
Harvest Index
Quality Factors: Size, color, sugar content

Design Your Star Fruit Irrigation System

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

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Related Guides

Introduction to Growing and Irrigating Star Fruit

Growing agricultural crops in a economically efficient and sustainable manner is of utmost importance for farmers. In this article, we will explore the cultivation of Star Fruit, also known as carambola and discuss the best irrigation methods to ensure its optimal growth. We will also highlight the benefits of…

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