Perennials > Iris > Iris sibirica > Iris sibirica 'Butter and Sugar'
Iris sibirica
'Butter and Sugar'
Butter and Sugar Siberian iris
| Family |
| Iridaceae |
| Genus |
| Iris |
| Species |
| sibirica |
| Cultivar |
| 'Butter and Sugar' |
| Category |
| Perennials |
| USDA Hardiness Zone |
| 3 - 8 |
| Canadian Hardiness Zone |
| 4 |
| RHS Hardiness Zone |
| H5 - H7 |
| Temperature (°C) |
| -15 - (-20) |
| Temperature (°F) |
| 5 - (-4) |
| Height |
| 60 - 76 cm |
| Spread |
| 60 - 76 cm |
Photographs
Description and Growing Information
Flowering Period
| Landscape |
| Rain garden, borders and mass planting. |
| Cultivation |
| Full sun and partial-shade. Moist, fertile, humusy, organically rich, neutral to slightly acidic, medium moisture, well-drained soil. Drought tolerant. |
| Shape |
| Upright and spreading. |
| Growth |
| Medium |
| Pests |
| Susceptible to iris borer and bacterial soft rot. Rabbit and deer tolerant. |
| Habitat |
| Horticultural origin. |
| Leaf Description |
| Arching, narrow, grass-like, linear leaves that form a vase-shaped foliage clump that is 60 cm tall. The stems rise above the foliage to 90 cm tall and bear the flowers. |
| Flower Description |
| 2 - 5 flowers in an upright and is flaring to drooping. |
| Colour Description |
| The foliage is bluish-green. The flowers are white and yellow. |
| Notable Specimens |
| The A.M. Cuddy Gardens, Strathroy, Ontario, Canada. |
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