Foxglove

Digitalis purpurea

Tall biennial or short-lived perennial with bell-shaped flower spikes loved by bees.

Hardiness ratings

Foxglove hardiness across the four zone systems
SystemRatingTemperature rangeHow to read it
USDA hardiness zone Zone 4–9 −34.4 °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 4–8 −29 °C to −1 °C 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

  • All parts toxic if eaten
  • Self-seeds prolifically; common in cool moist climates

Pet caution: Foxglove is listed as potentially harmful to cats and/or dogs. Keep pets from grazing on it, and contact a vet if you suspect your animal has eaten some.

Categories

Related plants

Cross-check Foxglove against your zones

Reference

Foxglove on Wikipedia