Hostas

Hosta spp.

Shade-loving perennials grown primarily for their bold patterned foliage.

Hardiness ratings

Hostas 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 3–8 −34 °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

  • Slugs and snails are the main pest
  • Foliage scorches in afternoon sun

Categories

Related plants

Cross-check Hostas against your zones

Reference

Hostas on Wikipedia