Carolina allspice (Sweetshrub)

Calycanthus floridus

Southeastern North American native deciduous shrub with broad green leaves and unusual fragrant maroon-brown strap-petalled flowers in late spring. Flower fragrance ranges from fruity to spicy depending on the seedling.

Hardiness ratings

Carolina allspice (Sweetshrub) 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 H6 −20 °C to −15 °C Plant needs at least this level of cold tolerance
Canadian plant hardiness zone Zone 5–8 −23 °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

  • Plant where the unusual flower fragrance can be enjoyed close at hand — described variously as ripe strawberry, melon, or apple, with seedling variation
  • Bruised leaves and bark are pleasantly spice-scented, hence the name "allspice"
  • Tolerates dappled shade better than most flowering shrubs
  • Cultivar ‘Aphrodite’ is widely available with notably large fragrant red-mauve flowers

Categories

Related plants

Cross-check Carolina allspice (Sweetshrub) against your zones

Reference

Carolina allspice (Sweetshrub) on Wikipedia