Dwarf sweet box

Sarcococca hookeriana var. humilis

Low spreading evergreen sweet box reaching only 50–60 cm tall, with the same intensely fragrant winter flowers as taller forms. Spreads slowly by suckers to form a low evergreen mat.

Hardiness ratings

Dwarf sweet box hardiness across the four zone systems
SystemRatingTemperature rangeHow to read it
USDA hardiness zone Zone 6–9 −23.3 °C to −1.1 °C Plant tolerates down to this zone
RHS hardiness rating H5 −15 °C to −10 °C Plant needs at least this level of cold tolerance
Canadian plant hardiness zone Zone 6–8 −18 °C to −1 °C Plant tolerates down to this zone
Australian (ANBG) zone Zone 2–5 −10 °C to 10 °C Plant tolerates down to this zone

Growing notes

  • Flowers January–February — the same midwinter window as S. confusa but at ground level
  • Sucker-forming habit makes it excellent ground cover in difficult shade under trees and shrubs
  • Fragrance reaches across the garden on still winter days
  • Slow to establish — patience needed for full cover

Pet caution: Dwarf sweet box 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 Dwarf sweet box against your zones

Reference

Dwarf sweet box on Wikipedia