Iris graminea (Iris, Grass-Leaved Iris)
Botanical Information
| Family | Iridaceae |
| Genus | Iris |
| Species | graminea |
| Category | Bulbs, Perennials |
| Origin | Central southern Europe; Spain to Russia and throughout the Caucasus Mountains. |
Details
| USDA Hardiness Zone | 1a - 6a |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 0a - 5b |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -51 - (-21) |
| Temperature (°F) | -60 - (-5) |
| Height | 22 - 45 cm |
| Spread | 22 - 30 cm |
| Growth | Medium |
| Flowering Period | June |
Description and Growing Information
| General Description | Iris graminea is a herbaceous perennial |
| Propagation | By division in spring or late summer or by seed as soon as they are ripe and kept in a cold frame over winter. |
| Cultivation | Grow in full sun to part shade, in moist, well-drained, slightly acidic to neutral soil containing loam. |
| Pests | Possible problems include: slugs, snails, thrips and grey moulds. |
| Flower Description | Very showy with rich purples and blues. Has a plum scented fragrance. |