PlantFun
Plant Needs
Sunlight
Full sun to partial shade; thrives in open meadow conditions and tolerates dry, sunny exposures
Watering
Water deeply when the top 2 cm of soil is dry; drought-tolerant once established
Temperature
Thrives in cool to temperate conditions; tolerates light spring frost but is damaged by hard freezes
Characteristics
- Leaf: Pinnately compound with 6–12 pairs of oblong leaflets; terminates in a tendril for climbing
- Flower: Pea-like, pale lavender to purple, clustered in axillary racemes
- Stem: Slender, erect to slightly trailing, with fine pubescence
Care Guide
Watering
Keep soil evenly moist during active vegetative and flowering growth
Fertilization
Light application of balanced organic feed at planting. Relies on nitrogen-fixing root nodules to support growth, so minimal external fertilizer is required
Eggshell powder topdressing：Crush dried, clean eggshells into fine powder; sprinkle lightly on the soil surface to boost calcium levels without introducing excess nitrogenPruning
- Remove spent flower heads to prevent unwanted self-seeding in managed gardens
- Thin overcrowded seedlings to 10–15 cm spacing to improve airflow and reduce disease risk
- Trim back senescent foliage after seed harvest to clear growing areas for subsequent crops
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: May cause vomiting and diarrhea if large quantities are ingested
Humans: Contains low levels of alkaloids; excessive ingestion may cause mild gastrointestinal upset
Garden Uses & Culture
Culture: N/A
Usage: Forage crop for livestock, cover crop to improve soil fertility, wildflower meadow component
