Perennials > Brunnera > Brunnera macrophylla > Brunnera macrophylla 'Jack Frost'
Brunnera macrophylla
'Jack Frost'
Jack Frost Heartleaf Brunnera, Jack Frost Siberian Bugloss
Origin: 2012 Perennial Plant of the Year.
| Family |
| Boraginaceae |
| Genus |
| Brunnera |
| Species |
| macrophylla |
| Cultivar |
| 'Jack Frost' |
| Category |
| Perennials |
| Pronunciation |
| USDA Hardiness Zone |
| 3 - 8 |
| Canadian Hardiness Zone |
| 1a - 8a |
| RHS Hardiness Zone |
| H4 - H7 |
| Temperature (°C) |
| -20 |
| Temperature (°F) |
| -40 - 20 |
| Height |
| 30 - 45 cm |
| Spread |
| 30 - 45 cm |
Photographs
Awards
Description and Growing Information
Flowering Period
| Landscape |
| Ground cover, specimen planting, group or mass planting, border, gardens and container planting. |
| Cultivation |
| Partial-shade. Average, medium moisture and well-drained soil. Prefers moist, organically rich soils. |
| Shape |
| Spreading and clump-forming. |
| Growth |
| Medium |
| Pests |
| Slugs and snails may be a problem. |
| Habitat |
| Horticultural origin. |
| Leaf Description |
| Heart-shaped basal foliage with veins and a thin rim around the leaf edges. Smaller upper leaves are elliptic. The stems are slender and 45 cm tall. |
| Flower Description |
| Small, forget-me-not-like flowers, branched racemes rising above the foliage on stems. |
| Colour Description |
| The leaves are a whitish-silver with green primary and secondary veins and green edges. The flowers are light blue with a yellow center. |
| Notable Specimens |
| A.M. Cuddy Gardens, Strathroy, Ontario, Canada. |
| Propagation |
| Division and root cuttings. |
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