Iris
'Thornbird'
Thornbird Tall Bearded Iris
| Family |
| Iridaceae |
| Genus |
| Iris |
| Cultivar |
| 'Thornbird' |
| Category |
| Bulbs, Perennials |
| USDA Hardiness Zone |
| 1a - 6a |
| Canadian Hardiness Zone |
| 0a - 5b |
| RHS Hardiness Zone |
| H7 |
| Temperature (°C) |
| -51 - (-21) |
| Temperature (°F) |
| -60 - (-5) |
| Height |
| 0.5 - 1 m |
| Spread |
| 0.1 - 0.5 m |
| General Description |
| Iris 'Thornbird' is a tall bearded iris, a herbaceous, rhizomatous perennial with yellow, white and purple blooms. |
| Cultivation |
| Grow in full sun, in well-drained, acidic to neutral soil containing loam. Cut down flowered stems and remove dying foliage in autumn. |
| Growth |
| Fast |
| ID Characteristic |
| Up to 6 flowers per stem, growing up to 1 m tall. |
| Pests |
| Possible problems include: slugs, snails, thrips,iris borer, leaf spot and iris rhizome rot. |
| Habitat |
| Horticultural origin. |
| Leaf Description |
| Long, erect, sword-shaped. |
| Flower Description |
| Standards are very pale green-yellow with a faint purple margin; falls are grey-green with violet venation near the base and yellow beards. Up to 6 blooms per stem. |
| Propagation |
| By division of rhizomes anytime from the middle of summer to early autumn. |