PlantFun
Plant Needs
Sunlight
Full sun to partial shade; provide trellis support for climbing stems to maximize light exposure
Watering
Water deeply when the top 2 cm of soil feels dry; avoid waterlogging to prevent root rot
Temperature
Thrives in 15–25°C; tolerates light spring frost but will die back in hard freezes
Characteristics
- Leaf: Linear to lanceolate, glabrous, 2–5 cm long with coiled tendrils at the tip for climbing
- Flower: Pale pink to lavender pea-like blooms, 1–2 cm across, borne in axillary racemes of 2–4 flowers
- Stem: Slender, angular, green stems that climb via terminal tendrils
Care Guide
Watering
Keep soil consistently moist during active growth and flowering
Fertilization
Apply diluted balanced liquid fertilizer once monthly. Avoid high-nitrogen fertilizers to prevent excessive foliage growth over flowering
Banana peel compost tea：Use fully composted banana peels, dilute 1:20 with water for root drenching; avoid raw peels to prevent pest infestationsPruning
- Remove spent flower heads to prevent unwanted self-seeding in garden beds
- Trim back yellowing or damaged stems to improve airflow and plant appearance
- Cut back entire plant to ground level after it dies back in late summer
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic; ingestion may cause gastrointestinal upset, weakness, or incoordination
Humans: Seeds contain neurotoxic beta-ODAP; chronic excessive consumption may cause lathyrism (muscle weakness, paralysis)
Garden Uses & Culture
Culture: N/A
Usage: Ornamental climbing plant for garden trellises; seeds are not recommended for human or pet consumption
