How to Grow Chinese Long Beans
Yard long beans live as much as their name, often developing up to three ft. In period, despite the fact that they are usually eaten earlier than they attain their mature size. You can also understand them with the aid of their other commonplace call, asparagus bean. Despite that not unusual name, yard long beans are not related to nor do they look some thing like asparagus.
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Yard lengthy beans are popular in Chinese and other Asian cuisines. They are more closely associated with cowpeas (Vigna unguiculata) than string beans (Phaseolus vulgaris). The taste is less astringent than string beans.
Yard long beans have an Asian flair, but they develop quite nicely in maximum climates. The long vines set copious amounts in their delicious dangling rope-like beans at some stage in the summer time and maintain generating till the weather turns bloodless.
Leaves: Bright green leaves are compound, with 3 coronary heart-fashioned leaflets.
Flowers and pods: The plant life and ensuing bean pods typically shape in joined pairs. Flowers look as you would expect of a legume (papilionaceous) with 5 petals, the largest on top. The size and colour will vary with variety, either white, red, or lavender.
Botanical Name
Vigna unguiculata subsp. Sesquipedalis
Common Names
Long beans cross via many names. Asian greens will be inclined to be named either for his or her description (black radish) or the location they may be grown. Whatever they may be categorised, you may recognise them whilst you see them. Some commonplace names you may locate them called include:
Asparagus beans
Chinese long beans
Pea bean
Snake beans
Yard long beans
Hardiness Zones
Long beans are grown as annuals, so they may be not given a hardiness sector rating.
Sun Exposure
Long beans want full sun, to do nicely. They develop tall before setting plants and need a protracted, heat period early inside the developing season. Don’t be surprised if they don’t take off till the temperature heats up and remains there. They will forestall developing because the weather cools down inside the fall.
Days to Harvest
It can take 2 to three months from seed for backyard lengthy beans to start flowering, however once the beans shape, it does not take long for them to begin growing longer and longer. The beans lose their dense, crispness because the beans inside fill out, so harvest even as they’re still company, commonly between 8 and 12 inches lengthy and thinner than a pencil.
Once they begin producing, you may want to reap nearly every day, to hold the plant life effective. The beans will hold several days inside the refrigerator. The pods generally tend to grow in pairs, which makes harvesting a bit less complicated.
Using Yard Long Beans
You can use asparagus beans interchangeably with green beans, but they shine in stir-fries wherein they provide the dish that mysterious taste. They are the bean traditionally used for the Chinese inexperienced bean dish presented on many Chinese restaurant menus in America. They are also generally cooked with fermented bean curd.
The Best Varieties to Grow
Liana: A day-neutral variety that begins producing early inside the season. It is also encouraged as a fall crop in heat climates. (70 days)
Purple podded: Good for decent seasons. Retains maximum of its coloration when stir-fried. (90 days)
Red noodle: Similar to pink podded, however extra flavorful with a crunchier texture. (95 days)
Stickless wonder: An unusual dwarf variety. The vines handiest grow to approximately 30 inches tall and do no longer want trellising. Plants begin flowering early (40 days) however, like many bush beans, they don’t have as lengthy a season as taller vining types. (fifty four days)
Yard long (white seeded, black seeded, pink seeded, extra long): Often you may handiest locate seed packets categorised as Yard Long Beans, however there are subtle differences between varieties. Any of the green types could be a great area to start experimenting. (ninety days)
Growing Tips
Yard long beans aren’t extraordinarily finicky approximately soil pH, but they do quality in a soil with a pH among 6.Zero and seven.Five. Yard long beans are proper legumes, so a soil mildly wealthy in organic remember is satisfactory. Too a whole lot nitrogen will bring about extra leaves than beans.
Direct sow after all hazard of frost is past and the soil is possible. If you’re worried approximately no longer having a long enough season for them to mature, you could heat the soil by protecting it with black plastic, some weeks earlier than your final frost date. Sow yard long bean seeds about 1 inch deep spaced approximately 6 inches aside. In warm zones, you could succession plant 2 to 3 times, at 2-week durations, and also plant a late summer time or fall crop.
Yard lengthy beans have long vines, often developing 8 to 12 ft. Tall. Except for dwarf, bush varieties, you may want to present them a tall assist or grow them alongside a fence. Put your trellis or different help within the ground at planting time. If you could attain to reap it, a teepee of 7 feet. Is a great size for the beans to scramble on. Don’t make the poles any larger than 2 inches in circumference, so the vines can clutch keep of them.
Care
Help the younger seedlings discover their trellis. With a bit preliminary schooling, your backyard lengthy beans will quickly be capable of grab and climb on their personal.
Besides keeping the beans harvested, the biggest upkeep is keeping the flowers watered. While yard long beans are particularly drought tolerant, extended dry spells will make the pods hard and that they may not develop so long as they have to.
Pests and Problems
Yard lengthy beans aren’t as vulnerable to bean beetle harm as inexperienced beans. It’s the small, often neglected pests you need to appearance out for, like aphids and thrips (specifically early inside the season).
Unfortunately, the tender shoots and leaves are appealing to deer, rabbits, groundhogs, and other small animals.