Yardlong bean seeds produce vigorous, warm-season annual plants that grow as climbing vines with long, slender stems and compound leaves. These plants require vertical support such as trellises or poles and perform best in warm to hot climates with consistent sunlight. Yardlong beans adapt well to well-drained soils and require regular moisture for steady growth. They are commonly cultivated in garden beds and vertical growing systems, where the vines develop pods along their length throughout the growing season.
Features
- Vigorous climbing plant requiring trellis or pole support
- Produces long pods along twining vines
- Suitable for warm to hot climates
- Adaptable to well-drained soil conditions
- Performs well in vertical gardening systems
Specifications
- Scientific Name: Vigna unguiculata subsp. sesquipedalis
- Common Name (US): Yardlong Bean
- Seed Type / Variety: Climbing bean variety
- Growth Habit: Climbing, twining annual vine
- USDA Zones: 5–11 (grown as annual)
- Planting Season: Late spring to early summer
- Growing Season: Summer
- Sowing Season: April to June (temperate regions); May to July (warm regions)
- Germination Time and Conditions: 5–10 days at 20–30°C with moist soil
- Sunlight Requirements: Full sun
- Soil Requirements: Well-drained, fertile loamy or sandy soil
- Watering Needs: Moderate, consistent watering
- Mature Plant Size: 2–4 meters vine length; spread varies with support
- Plant Spacing: 15–20 cm between plants
