Variety field guide
What to expect from Day Neutral Winged Bean
Winged Bean is a tropical climber with four ruffled edges running along each green pod.
Read the complete product descriptionTraits, flavor, garden use, variety notes, and the full catalog record
Winged Bean is a tropical climber with four ruffled edges running along each green pod. Young pods have a mild, green-bean flavor and are useful cooked in stir-fries, soups or vegetable dishes. Day-neutral types can flower without waiting for the short days needed by many winged beans, though they still need sustained warmth. Give the vines strong support and pick often while pods are tender, before fibers develop.
Four-winged pods for a warm-season climbing harvest.
Variety and background
The stock name is Day Neutral Winged Bean. The breeder accession and a specific harvest-day claim have not been confirmed; mature vines need a strong trellis and generous room.
Growing facts
| Scientific name | Psophocarpus tetragonolobus (L.) DC. |
|---|---|
| Life cycle | Annual |
| Maturity / harvest basis | Harvest tender young pods; timing varies |
| Seed depth | 1 in |
| Germination | 14–21 Days |
| Germination temperature | 75-90 F |
| Plant height / spread | 120 in+ |
| Habit | Vining/Climbing |
| Plant spacing | 12-36 in |
| Row spacing | 48-72 in |
| Sunlight | Full sun |
| Pollination type | Open-Pollinated (OP) |
Starting from seed
Soak seed overnight; sow 1 in. deep after frost in warm soil, or start in pots. At 75-90 F allow 1-3 weeks. Set 24 in. apart, rows 4 ft. apart, beside a strong trellis. Give sun, fertile, well-drained soil and consistent moisture.
Planting and care
Soak seed overnight; sow 1 in. deep after frost in warm soil, or start in pots. At 75-90 F allow 1-3 weeks. Set 24 in. apart, rows 4 ft. apart, beside a strong trellis. Give sun, fertile, well-drained soil and consistent moisture. The stock name is Day Neutral Winged Bean. The breeder accession and a specific harvest-day claim have not been confirmed; mature vines need a strong trellis and generous room.
Harvest and use
Pick young pods around 4-6 in. long, while soft and flexible; cook before eating. Harvest often, before pods turn fibrous. For seed, isolate other winged beans and leave selected pods to brown and dry; shell and dry fully.
Saving seed
The crop often self-pollinates, but insects can still move pollen among compatible varieties, especially during warm flowering weather. Save from several healthy, true-to-type Day-Neutral Winged Bean plants rather than one exceptional individual. Mark seed plants before the eating harvest, remove clear off-types before they contribute pollen, and let seed reach full biological maturity. Shell only fully dry pods, discard moldy or insect-damaged seed, and dry the cleaned seed again before storage. Label the lot with crop, variety, source, year, location, plant count, isolation method, and selection traits. Keep the original packet and lot history with the saved seed so later grow-outs can be compared without relying only on memory or seed color.
Common problems
Watch Day-Neutral Winged Bean for bean beetles, aphids, leafhoppers, mites, pod-feeding insects, bacterial or fungal leaf spots, rust, mosaic symptoms, and root rots. Rotate away from legumes, avoid working wet foliage, water at the soil line, and remove badly diseased plants. Cold wet soil commonly causes poor emergence; excess nitrogen can create leafy growth with fewer pods. Save seed only from healthy representative plants.
Frequently asked questions
What distinguishes this selection?
The stock name is Day Neutral Winged Bean. The breeder accession and a specific harvest-day claim have not been confirmed; mature vines need a strong trellis and generous room.
How should I start it?
Soak seed overnight; sow 1 in. deep after frost in warm soil, or start in pots. At 75-90 F allow 1-3 weeks. Set 24 in. apart, rows 4 ft. apart, beside a strong trellis. Give sun, fertile, well-drained soil and consistent moisture.
When and how should I harvest?
Pick young pods around 4-6 in. long, while soft and flexible; cook before eating. Harvest often, before pods turn fibrous. For seed, isolate other winged beans and leave selected pods to brown and dry; shell and dry fully.
Can I save seed?
The crop often self-pollinates, but insects can still move pollen among compatible varieties, especially during warm flowering weather. Save from several healthy, true-to-type Day-Neutral Winged Bean plants rather than one exceptional individual. Mark seed plants before the eating harvest, remove clear off-types before they contribute pollen, and let seed reach full biological maturity. Shell only fully dry pods, discard moldy or insect-damaged seed, and dry the cleaned seed again before storage. Label the lot with crop, variety, source, year, location, plant count, isolation method, and selection traits. Keep the original packet and lot history with the saved seed so later grow-outs can be compared without relying only on memory or seed color.
