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Winged Bean
Psophocarpus tetragonolobus
- Days to harvest
- 55–70 days
- Sunlight
- 6–10 hours/day
- Watering
- 4–6 per day
- Plant spacing
- 60 cm
- Minimum container size
- 30cm deep × 30cm wide
- Container-friendly
- 1 plants per container
- Estimated yield
- 150 kg / 100m²
- Life span
- annual
Climate Requirements
- Ideal temperature
- 25-32 °C
- Annual rainfall
- 1200-2500 mm
- Humidity
- 70-85%
- Heat tolerance
- moderate
- Drought tolerance
- moderate
Soil & Planting
Planting method
Direct seed; strong trellis; 30x60 cm
Soil requirements
Sandy loam, pH 5.5-7.0; nitrogen-fixing
Companion Plants
- Sweet Cornstrong
Corn provides natural trellis for winged bean vines; winged bean fixes nitrogen for corn
- Sweet Potatomoderate
Sweet potato ground cover suppresses weeds around winged bean poles; winged bean fixes nitrogen
- Lemongrassmoderate
Lemongrass border repels bean fly and pod borers from winged bean
Common Pests & Diseases
Market Demand
Moderate — traditional Malay vegetable; served raw in ulam; flowers and tubers also edible; niche market
Regional Notes
Underutilised tropical crop with very high protein (35-40% dry weight). Opportunity for health food positioning.
Sources
- MARDI Field Crops Research 2024 — Malaysian Agricultural Research and Development Institute · Last reviewed: 2024-06-01
Wikimedia Commons, CC BY 3.0
Category: Legumes