Guide botanique
Yardlong Bean.
Vigna unguiculata
Prononciation VIG-nuh un-gwik-yoo-LAY-tuh
Aussi appelée Black-eyed Pea, Blackeyed Pea, Cowpea, Cuckold's-Increase

The yardlong bean is a vigorous climber that produces incredibly long, slender pods perfect for stir fries. It thrives in warm weather and loves to scramble up a sturdy trellis. You will enjoy a bountiful harvest if you keep it well fed and watered.

En un coup d'œil
- Niveau d'entretien
- Facile
- Type de plante
- Annual vegetable
- Lumière
- Full sun
- Lumière en intérieur
- Soleil direct
- Arrosage
- Tous les 2 à 4 jours
- Taille adulte
- 3 to 4 meters
- Croissance
- Rapide
- Rusticité
- USDA 9 à 11
- Floraison
- Mid to late summer
Entretien
Provide a strong trellis for the vines to climb as they grow quite tall. Watch for wilting leaves which indicate the plant needs more water during hot spells. Keep an eye out for aphids on the tender new growth.
- Arrosage
- Keep the soil consistently moist but not waterlogged to ensure the best pod production.
- Engrais
- Apply a balanced vegetable fertilizer every few weeks once the plant begins to flower.
- Taille
- Trim back excessive side shoots if the plant becomes too crowded to improve airflow.
- Rempotage
- These are annuals and are typically grown directly in the garden soil.
- Sol
- Well draining loamy soil
- pH du sol
- 6.0 to 7.0
- Température
- 15 à 35°C
- Humidité
- 40 à 70%
Sécurité
- Humains
- The raw seeds contain compounds that can cause digestive distress if consumed in large quantities.
- Enfants
- The seeds are small and pose a choking hazard to young children.
- Allergènes de contact
- The foliage can cause mild skin irritation in sensitive individuals.
- Allergènes aéroportés
- Pollen may trigger mild reactions in those with legume allergies.
- Comestibilité
- Always cook the beans thoroughly before eating to neutralize lectins.
Comment l'identifier
- Extremely long slender green pods
- Vining growth habit
- Trifoliate bright green leaves
- Small pale yellow or purple flowers
- Hauteur
- 0,3 à 1m
- Envergure
- 0,3 à 0,6m
- Feuilles
- green, deciduous
- Fleurs
- white, yellow, purple, 1 à 2cm
- Fruits
- green, yellow, brown, Late summer to autumn
Problèmes courants
- Aphids — Small insects that cluster on new growth and suck plant sap.
- Root rot — Fungal infection caused by overly wet or poorly drained soil.
La cultiver
- Multiplication
- seed
- Quand planter
- spring, early summer
Plant cowpeas alongside corn to maximize space and improve soil fertility simultaneously.
Bonnes associations
À éloigner de
- Oignon — Onions may inhibit the growth of legumes when planted in close proximity.
Espèces similaires
- Mung bean — Shares similar growth habits and environmental requirements.
- Vigna angularis — Another member of the Vigna genus with similar cultural needs.
Science
- Famille
- Fabaceae
- Genre
- Vigna
- Ordre
- Fabales
- Classe
- Magnoliopsida
- Région d'origine
- Central and West Africa
- Préservation
- Not of conservation concern as it is a widely cultivated agricultural crop.
This plant survives in hot, arid environments by developing a deep root system and maturing quickly.
- Intérêt pour la faune
- nectar source, nitrogen fixer
- Pollinisateurs
- abeilles, papillons
- Utilisations
- culinary, cover crop, forage
Au fil des saisons
Repères écologiques
- Salinité
- 2/9
- Réaction du sol
- 6/9
- Lumière
- 8/9
- Température
- 8/9
- Humidité
- 4/9
- Nutriments
- 5/9
Taxonomie vérifiée avec le GBIF.
Ce qu'on demande souvent
- Can I grow cowpeas in a container?
- Yes, they grow well in large pots with adequate drainage.
- When should I harvest the pods?
- Harvest when the pods are firm and full for fresh eating, or wait until they dry for storage.
D'où vient le nom
The genus name Vigna honors the Italian botanist Domenico Vigna, while unguiculata refers to the claw-like shape of the flower petals.
Bon à savoir
- Cowpeas are not actually peas but are more closely related to mung beans.
- They are a staple ingredient in the Southern United States dish known as Hoppin' John.
- The plants enrich the soil by fixing nitrogen from the air.
- They thrive in hot weather where other beans might fail.
Ta plante a mauvaise mine ?
Cette page est un guide général. Pocket Botanist diagnostique les problèmes directement à partir d'une photo de ta plante, adapte l'arrosage à sa luminosité et te prévient quand il faut t'en occuper.
Ce guide a été généré par IA et vérifié avec la taxonomie du GBIF. Il s'agit d'informations générales, et non de conseils horticoles ou vétérinaires. Découvre comment nous concevons ces guides.
