| Scientific Name: | Allium cristophii (incl. hybrid cvs.) |
| Common Name: | ornamental onion, Persian onion, star of Persia |
| Family Name: | Amaryllidaceae |
| Origin: | Central / west Asia, Garden origin |
| Hardiness Zone: | Zone 4: (-34 to -29 °C) |
| Plant Type: | Herbaceous perennial |
| Mature Size: | 0.4 - 0.7m x 0.1 - 0.3m (height x width) |
| Habit: | Upright |
| Form: | Round |
| Texture: | Medium - coarse |
| Landscape Uses: | Attract beneficial insects, Attract butterflies, Container planting, Cut flower or foliage, Floristry, Perennial border, Spring interest |
| Exposure: | Full sun, Part sun/part shade |
| Soil or Media: | Rocky or gravelly or dry, Well-drained |
| Leaves: | Simple, Basal, Soft flexible, Parallel venation, Glabrous, Pubescent, Linear, Ciliate, Entire |
| Flowers: | Umbel, Violet, Purple, Magenta, May-Jun |
| Fruit: | Capsule, Brown, Jul-Aug |
| Key ID Features: | |
| Leaves basal, linear, most 20-30cm long x 1-3cm wide (-6cm wide in hybrids), margin entire and ciliate; umbel round, on a tall green peduncle, flowers 2-4cm wide, petals narrow, violet to purple, pedicels 5-15cm long. | |