Tall corm-forming perennial with sword-shaped foliage and arching sprays of brilliant flame-red tubular flowers in midsummer. The dominant flowering cultivar in temperate gardens.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 5–9 | −28.9 °C to −1.1 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H5 | −15 °C to −10 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 6–8 | −18 °C to −1 °C | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 2–6 | −10 °C to 15 °C | Plant tolerates down to this zone |
Growing notes
- Flowers July — a textbook midsummer fire-marker, often timed exactly to peak summer light
- Tubular red flowers are pollinated by hummingbirds in its South African origin and visited by hawk-moths in cultivation
- Forms expanding clumps by corm chains — lift and divide every 3–4 years to maintain flowering
- Hardier than most crocosmias — the standard cultivar for cool temperate gardens
Categories
Related plants
Cross-check Crocosmia ‘Lucifer’ against your zones