Aristea major (great blue flower-rod)
Botanical Information
| Family | Iridaceae |
| Genus | Aristea |
| Species | major |
| Synonyms | Aristea major, Aristea thyrsiflora |
| Category | Perennials |
Details
| USDA Hardiness Zone | 9 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 9a or greater |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H3 |
| RHS Hardiness Ref. | |
| Temperature (°C) | (-5) - 1 |
| Temperature (°F) | 23 - 34 |
| Height | 1 - 1.5 m |
| Spread | 0.5 - 1 m |
| Growth | Medium |
| Flowering Period | June, July |
Description and Growing Information
| General Description | Aristea major is an evergreen perennial with linear leaves and upright flower spikes blooming purple-blue in the summer. |
| Shape | Clump-forming. |
| Landscape | Container plant, flower bed, flower border. |
| Propagation | Propagate by seed. |
| Cultivation | Grow in a well-drained, loamy soil in full sun. |
| Pests | No notable pests or diseases. |
| Notable Specimens | Trengwainton garden, Madron, Cornwall, United Kingdom. |
Photographs
Aristea major, form. Trengwainton garden, Madron, Cornwall, United Kingdom. 17/10/2019.
Aristea major, leaf. Trengwainton garden, Madron, Cornwall, United Kingdom. 17/10/2019.
Aristea major, flower. Trengwainton garden, Madron, Cornwall, United Kingdom. 17/10/2019.