Meadowsweet

Filipendula ulmaria

Damp-meadow perennial with frothy creamy flower heads carrying salicylates — the natural precursor that gave aspirin its name (from the old genus Spiraea).

Hardiness ratings

Meadowsweet 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 3–8 −34 °C to −1 °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

  • Honey-scented midsummer flowers — a reliable seasonal marker in damp meadows
  • Prefers consistently moist soil; struggles in dry conditions
  • Salicylate content means aspirin sensitivity applies
  • Always consult a qualified medical or herbal practitioner before using any plant medicinally

Categories

Related plants

Cross-check Meadowsweet against your zones

Reference

Meadowsweet on Wikipedia