European biennial or short-lived perennial brassica with branched stems of four-petalled mauve, pink, or white flowers carrying an intense evening fragrance — strongest after sunset.
Hardiness ratings
| System | Rating | Temperature range | How 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 4–8 | −29 °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
- Plant in cottage gardens and woodland edges — evening fragrance carries on still summer nights
- Behaves as a biennial or short-lived perennial, allow self-seeding to perpetuate
- WARNING: Listed INVASIVE in many US states and parts of Canada — escapes garden plantings to displace native woodland flora, do not plant in North America
- Within its native European range, a classic cottage-garden evening-fragrance plant
Categories
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