Colchicum speciosum (False Autumn Crocus, Showy Colchicum)
Botanical Information
| Family | Colchicaceae |
| Genus | Colchicum |
| Species | speciosum |
| Category | Bulbs, Perennials |
| Origin | Northern Turkey, Iran and the Caucasus Mountains. |
Details
| USDA Hardiness Zone | 7 - 8 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 7 |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H5 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -12 -(-9) |
| Temperature (°F) | 5 - 15 |
| Height | 10 - 50 cm |
| Spread | 10 - 50 cm |
| Growth | Fast |
| Flowering Period | September, October |
Description and Growing Information
| General Description | Coarse, broad cormous perennial. |
| ID Characteristic | Deep purple, tubular flowers, up to 7 cm in length. Strap-shaped dark green leaves emerging in spring. |
| Shape | Clump-forming habit. |
| Landscape | Underplanting. |
| Propagation | Propagate by seed or division. |
| Cultivation | Grow in fertile soil, with ample water with full sunlight. Cannot withstand waterlogging. |
| Pests | Slugs and grey mould. |
| Leaf Description | Leaves are rich green in colour, strap-shaped and up to 25 cm in length. |
| Flower Description | 2-3 reddish-violet flowers up to 8 cm in length, with pale green to white tubes. |
Photographs
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