| General Description | Iris 'Thornbird' is a tall bearded iris, a herbaceous, rhizomatous perennial with yellow, white and purple blooms. |
| ID Characteristic | Up to 6 flowers per stem, growing up to 1 m tall. |
| Propagation | By division of rhizomes anytime from the middle of summer to early autumn. |
| Cultivation | Grow in full sun, in well-drained, acidic to neutral soil containing loam. Cut down flowered stems and remove dying foliage in autumn. |
| 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. |
