Tulip

Tulipa gesneriana

Spring-flowering bulb with cup-shaped flowers in almost every colour. Needs winter chill to flower reliably.

Hardiness ratings

Tulip hardiness across the four zone systems
SystemRatingTemperature rangeHow to read it
USDA hardiness zone Zone 3–8 −40 °C to −6.7 °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 3–7 −34 °C to −7 °C Plant tolerates down to this zone
Australian (ANBG) zone Zone 1–4 −15 °C to 5 °C Plant tolerates down to this zone

Growing notes

  • Treat as annuals in mild climates without winter chill
  • Plant deeply (15 cm) in autumn

Pet caution: Tulip 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 Tulip against your zones

Reference

Tulip on Wikipedia