Yardlong bean
Yardlong bean is a type of cowpea. The name yard-long bean is well chosen because these beans are really long, although not exactly one yard. The French name "Haricot kilomètre" (kilometer bean) is even more exaggerating, but you get the idea.
This page provides some basic information on yard-long bean, some yardlong bean photos.
Basic information on yard-long bean
| Scientific name: | Species: Vigna unguiculata Subspecies: Vigna unguiculata sesquipedalis |
| Family: | Fabaceae |
| Order: | Fabales |
| English: | Yard-long bean Long-podded cowpea Asparagus bean Snake bean Chinese long bean |
| Dutch: | Kousenband |
| French: | Haricot kilomètre Dolique asperge Pois-kilomètre |
| German: | Spargelbohne Langbohne |
| Origin: | |
| Distribution: | Yard-long bean is grown throughout the tropics, but very common in Southeastern Asia (e.g. Thailand) and Southern China. Also common in Africa and South America. |
| Annual, biennial, or perennial: | Yardlong bean is an annual plant. |
| Plant: | Yard-long bean grows as a climbing vine. |
| Flowers: | |
| Leaves: | |
| Fruits: | Yardlong beans are generally between 35 and 75 centimeters long. The beans hang in pairs. |
| Climate and weather: | Yardlong beans are found in warm tropical and subtropical climates. They prefer temperature between 25 and 35ºC, but above 15ºC during the night. |
| Pollination: | Yard-long bean is a self pollinating plant but cross-pollination by insects is possible. |
| Height: | The plant climbs as a vine and is usually grown on trellis of 2 meter tall. |
| Blooming period | Early varieties will produce flowers after 30 days. |
| Type of soil: | Yardlong bean grows in a variety of soils. It can even grow in poor soil, but then the yield will be lower. |
| Preferred pH: | Yardlong bean prefers pH between 5.5 and 7.5 |
| Moisture: | Yard-long bean requires a lot of water at regular intervals (2-3 times per week). |
| Growth rate: | Yard-long bean grows fast and at about 45 days after planting the first beans can be picked. |
| Spacing (close range) | Use a distance of 40 centimeters (or less) between plants and 60 cm between rows. About 2 meter tall trellises are used to support the climbing plants. |
| Spacing (wide range) | Distance of 40 centimeters (or less) between plants and 90 cm between rows. |
| Propagation: | Yardlong bean is grown from seed. |
| Insect pests: | Yardlong bean is often attacked by pod borers and by aphids. |
| Diseases: | |
| Harvesting: | Yardlong beans, if used as a vegetable, should be hand picked just before they reach full maturity. |
| Uses: | Yard-long bean is use as a green vegetable, just like green beans. The pods can be eaten fresh or cooked in a variety of dishes. |
Yard-long bean photos
Proverbs
Quotes
- Mr. Bean: "Nice frame".
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Recipes
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