
Winged beans, or Psophocarpus tetragonolobus, are a climbing vine native to Tanzania but have been naturalized in many other areas, including South Asia, parts of Africa, and South America. They are a warm-season crop that requires warm soil to germinate and a long growing season. In Australia, they are best suited to warm and tropical climates but can be grown in cooler climates with special care. Here is a guide on how to grow winged beans in Australia.
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What You'll Learn
- Winged beans are frost-sensitive, so they need to be planted after the last frost of the season
- They require a long growing season and warm, humid climates
- Seeds should be soaked in water for 24 hours before planting to speed up germination
- The plants need full sun and a trellis to support their climbing vines
- Winged beans are a good source of protein and can be eaten raw or cooked

Winged beans are frost-sensitive, so they need to be planted after the last frost of the season
Winged beans, or Psophocarpus tetragonolobus, are a frost-tender crop. This means that they are sensitive to frost and cold weather and will be injured or killed by it. Therefore, it is important to wait until after the last frost of the season before transplanting any seedlings outdoors. In cooler climates, they may need special care to protect them from the cold.
Winged beans are a warm-season crop that requires warm soil to germinate and a long growing season. They are native to Tanzania but have been naturalized in many other areas, including South Asia, parts of Africa, and South America. They are cultivated extensively in Southeast Asia and thrive in tropical climates. However, there are also day-neutral varieties suitable for growing in temperate areas.
In Australia, the best time to sow winged bean seeds will depend on your climate zone and local conditions. For example, gardeners in alpine areas have shorter growing seasons than those in cool coastal areas, even though both are included in the 'Cool Temperate' climate zone. You can use a climate zone as a guide, but it is also important to consider factors such as unseasonal weather conditions and the specific microclimate of your garden.
Winged beans can be started indoors in trays or containers and then transplanted to the garden once established. Seeds should be sown 20mm deep and kept moist but never wet or dry. They will germinate in around 7-21 days at a soil temperature of 25-30°C. However, germination may occur outside of this window or be delayed until the ideal temperature is met. Once the seedlings have their first true leaves and are about 5-10cm tall, they can be transplanted to the garden, spacing plants 25cm apart with rows 100cm apart.
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They require a long growing season and warm, humid climates
Winged beans are native to Tanzania but have been naturalized in many other areas, including South Asia, parts of Africa, and South America. They are a warm-season crop that requires a long growing season, warm soil to germinate, and a tropical climate. They can be grown in cooler climates with special care.
In Australia, the winged bean is well-suited to the warm and humid climate of northern Australia, from Exmouth (WA) across to south of Townsville (QLD). They can also be grown in coastal Queensland and northern NSW, from north of Mackay to just south of Coffs Harbour. These areas experience warm, humid summers with high summer rainfall and mild winters.
To grow winged beans in Australia, it is important to prepare the soil by weeding it thoroughly, digging it over to loosen it, and adding aged animal manure or compost. Keep the area free of weeds until planting. Winged beans should be grown in full sun, receiving at least 6 hours of sunlight each day. They also require a structure like a trellis to support their climbing vines.
When planting winged bean seeds, it is recommended to start them in trays or containers and then transplant them once they are established. Seeds should be planted about 20mm deep and kept moist, but not wet or dry. The ideal soil temperature for germination is 25-30°C, and seeds should germinate in around 7-21 days. It is important to note that winged beans are sensitive to frost, so they should not be transplanted outdoors until all danger of frost has passed.
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Seeds should be soaked in water for 24 hours before planting to speed up germination
Winged beans are a warm-season crop that requires warm soil to germinate and a long growing season. They are native to Tanzania but have been naturalized in many other areas, including South Asia, parts of Africa, and South America. They are best suited to warm and tropical climates but can be grown in cooler climates with special care.
When growing winged beans in Australia, it is important to consider the climate zone and local conditions. While winged beans thrive in tropical climates, they can also be grown in temperate areas. In Australia, they are typically grown in coastal Queensland and northern NSW, where summers are warm and humid with high rainfall.
To grow winged beans in Australia, it is recommended to start the seeds in trays or containers and then transplant them to the garden once they are established. The seeds should be sown about 20mm deep in a good quality seed-raising mix or soil starter pellets. Keep the soil moist, but not wet, and maintain a soil temperature of 25-30°C for optimal germination, which typically occurs within 7-21 days.
To speed up germination, it is recommended to soak the winged bean seeds in water for 24 hours before planting. Soaking the seeds can accelerate germination and increase the success rate. It helps to hydrate the seeds and break down the protective seed coat, allowing the seeds to wake up and grow. The water initiates germination by softening and breaking the seed coat and leaching away germination inhibitors.
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The plants need full sun and a trellis to support their climbing vines
Winged beans are a warm-season crop that requires full sun and a trellis to support their climbing vines. They are native to Tanzania but have been naturalized in many other areas, including South Asia, parts of Africa, and South America. They are also commonly cultivated in Southeast Asia. Winged beans are perennials, meaning they live for several years, and can grow up to 300cm tall. They are best suited to warm and tropical climates but can be grown in cooler climates with special care.
When growing winged beans, it is important to choose a permanent position where the plants can grow undisturbed by regular digging. They need at least 6 hours of full sun each day and well-drained soil enriched with organic matter. The soil should be prepared by weeding, digging, and adding aged animal manure or compost. Keep the area free of weeds until planting. Winged bean seeds should be planted about 20mm to 25mm deep and spaced about 25cm apart, with rows about 100cm apart.
The seeds can be started in trays or containers and then transplanted to the garden once established, usually when the seedlings are about 5-10cm tall. It is important to note that winged beans are sensitive to frost, so it is best to wait until the last frost of the season has passed before transplanting them into the garden. The ideal soil temperature for germination is 25-30°C, and seeds should be kept moist but not wet or dry. Germination typically occurs within 7-21 days, but it can vary depending on the specific conditions.
To support the climbing vines of winged beans, a trellis should be provided. This will allow for bean production well into late summer. The trellis provides the necessary structure for the vines to climb and grow, ensuring a healthy and productive winged bean plant.
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Winged beans are a good source of protein and can be eaten raw or cooked
Winged beans are a great source of plant-based protein, with a protein content of 27% to 39%. They are also known as dragon beans, four-cornered beans, or goa beans, and are cultivated extensively in Southeast Asia. They are native to Tanzania but have been naturalized in many other areas, including South Asia, parts of Africa, and South America.
The entire winged bean plant is edible, from the leaves to the tubers and seeds. The leaves can be cooked and eaten like spinach, the flowers can be added to salads, and the tubers can be eaten raw or cooked. The beans themselves can be cooked or eaten raw, and have a crunchy texture and an asparagus-like flavour. They can also be dried, roasted, or ground into flour, and brewed to make a coffee-like drink.
When growing winged beans, it is important to note that they are a warm-season crop that requires warm soil to germinate and a long growing season. They are best suited to warm and tropical climates but can be grown in cooler climates with special care. Winged beans grow on vines and require a structure, such as a trellis, to support their climbing stems. They need full sun and well-drained soil enriched with organic matter.
To prepare winged beans for cooking, start by covering them with cold water and letting them soak for about 5 minutes. Drain and rinse the beans 2-3 times, then remove any remaining dirt by rubbing them gently with your hands. Cut off the stems and slice the pods diagonally into 1/2-inch thick slices. Heat some oil in a skillet over medium heat, add minced garlic and cook for 1 minute, then add the sliced winged beans and sauté for 1-2 minutes.
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