Vigna unguiculata subsp. sesquipedalis Seeds | Yard-long Bean
LATIN NAME: Vigna unguiculata subsp. Sesquipedalis
COMMON NAME: Yard-Long Bean
Plant Profile
Known to gardeners as Yard-Long Bean, Vigna unguiculata subsp. Sesquipedalis is a vigorous, twining, annual in the bean family. Yard-long bean climbs poles and drops its slender pods, and pea-like flowers open in small pairs. It is a plant of open, sunny, deep, moist, rich ground. Its appeal to pollinating insects adds a second, ecological layer to its ornamental one. In combination, these characteristics make a persuasive case for growing it.
Science & Biotechnology
Within the bean family, Vigna unguiculata subsp. Sesquipedalis is of continuing interest to researchers working on plant diversity, seed biology and the selection of improved garden forms. It is the kind of species that plant scientists reach for when they need reliable material for propagation and selection studies.
Uses & Benefits
Yard-Long Bean works well in borders, containers and dedicated beds. Yard-long bean is a fine, generous plant of warm kitchen garden. Give young vines poles and warm, sunny spot, and pods will come in the first warm season. To grow yard-long bean from seed, soak small, kidney-shaped seeds in warm water for a night, then sow them a centimetre down in pot of gritty soil. Establishment is uncomplicated, and afterwards ordinary care suffices.
Mung, adzuki, cowpea and their kin are the protein and fiber backbone of Asian kitchens, and mung bean’s cooling soup is a Chinese summer institution; they are among the most digestible of all legumes.
Growing from Seed
Yard-Long Bean grows readily from seed. Sow on the surface of a gritty, well-drained mix, cover lightly with fine compost, and maintain gentle, even moisture in a sunny position. Once the seedlings have made true leaves, pot them on individually and plant out when they are sturdy and conditions are right.
Our Take
Given the right start, Yard-Long Bean is a long-term garden companion. In a sunny, freely drained position it needs little looking after.
Related Reading
Gardeners who grow Yard-Long Bean often pair it with these related subjects: