Slender pale-mauve wildflower of damp meadows and stream banks, flowering with the arrival of the cuckoo in spring.
Hardiness ratings
| System | Rating | Temperature range | How 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 1–5 | −15 °C to 10 °C | Plant tolerates down to this zone |
Growing notes
- Primary larval food plant for the orange tip butterfly
- Signature wildflower of spring damp meadows — flowers as the cuckoo returns
- Prefers damp, even seasonally wet soil — happy at pond margins
Categories
Related plants
Cross-check Cuckoo flower (Lady’s smock) against your zones