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. |