Witch hazel ‘Arnold Promise’

Hamamelis × intermedia ‘Arnold Promise’

Hybrid witch hazel with spidery clear-yellow flowers on bare branches in late winter. One of the last late-winter cultivars to open — signals the very end of winter.

Hardiness ratings

Witch hazel ‘Arnold Promise’ hardiness across the four zone systems
SystemRatingTemperature rangeHow to read it
USDA hardiness zone Zone 5–8 −28.9 °C to −6.7 °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 1–3 −15 °C to 0 °C Plant tolerates down to this zone

Growing notes

  • Flowers in February and March in much of the Northern Hemisphere — slightly later than ‘Pallida’ or ‘Jelena’, making it the bridge between deep winter and early spring
  • Strongly fragrant on warm afternoons — the scent is a key seasonal marker
  • Prefers neutral to acidic soil and a position where the flowers are caught by low winter sun
  • Needs winter chilling — unreliable in ANBG zones 4 and above

Categories

Related plants

Cross-check Witch hazel ‘Arnold Promise’ against your zones

Reference

Witch hazel ‘Arnold Promise’ on Wikipedia