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. |