Crown vetch

Securigera varia

Mediterranean perennial with pink-and-white pea-flower heads. Aggressive ground cover historically planted on highway embankments for erosion control.

Hardiness ratings

Crown vetch hardiness across the four zone systems
SystemRatingTemperature rangeHow to read it
USDA hardiness zone Zone 3–9 −40 °C to −1.1 °C Plant tolerates down to this zone
RHS hardiness rating H7 down to −20 °C Plant needs at least this level of cold tolerance
Canadian plant hardiness zone Zone 3–9 −34 °C and warmer Plant tolerates down to this zone
Australian (ANBG) zone Zone 1–5 −15 °C to 10 °C Plant tolerates down to this zone

Growing notes

  • Toxic to horses — do not plant in or near horse pasture
  • Listed as invasive in parts of North America — check local regulations before planting
  • Useful only where its aggressive spread is acceptable; not for ornamental beds

Categories

Related plants

Cross-check Crown vetch against your zones

Reference

Crown vetch on Wikipedia