PlantFun
Plant Needs
Sunlight
Full sun to partial shade; requires protection from intense midday sun in hot inland regions
Watering
Water thoroughly when the top 2 cm of soil dries out; avoid waterlogging to prevent root rot
Temperature
Hardy to mild frost; thrives in cool to temperate growing conditions
Characteristics
- Leaf: Paired lanceolate leaflets with coiled tendrils for climbing support
- Flower: Pea-shaped deep pink to purple blooms in loose terminal racemes
- Stem: Slender, erect to slightly trailing green stems with fine pubescence
Care Guide
Watering
Keep soil consistently moist during active growth and flowering
Fertilization
Diluted balanced organic fertilizer once every 4 weeks. Use low-nitrogen fertilizer to prioritize bloom production over foliage growth
Eggshell powder topdressing：Sprinkle finely crushed, baked eggshells on the soil surface to boost calcium levels and improve soil drainagePruning
- Deadhead spent blooms regularly to extend the flowering period
- Trim back faded foliage to ground level in late autumn to promote healthy new growth in spring
- Remove weak or diseased stems to improve airflow and reduce pest infestation risk
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA-confirmed neurotoxic compounds present; ingestion may cause tremors, weakness, and incoordination
Humans: Ingestion of large quantities can cause lathyrism, a neurological condition affecting muscle function
Garden Uses & Culture
Culture: N/A
Usage: Ornamental garden plant; historically used as a forage crop in Mediterranean regions
