European biennial brassica with rosettes of heart-shaped leaves the first year and tall stems of fragrant purple or white flowers the second, followed by spectacular papery silver translucent seed pods.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 4–8 | −34.4 °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 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 shaded borders — biennial habit means sow each year for continuous display
- Papery silver seed pods (the "moneys" of the common name) are the principal feature — used for dried winter arrangements, lasting for years
- Strip the outer skins of the dried seed pods to reveal the silver translucent inner membrane
- Self-seeds reliably where conditions suit
Categories
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