| Common Name | Silver Siberian bugloss |
|---|---|
| Family | Boraginaceae |
| Genus | Brunnera |
| species | macrophylla |
| Plant Type | Perennial |
| Persistence | Deciduous |
| US Patent # | PP13859 |
| EU Grant # | EU9772 |
| Hardiness Zone | 4, 5, 6, 7, 8, 9 |
| Growth Habit | Mounding |
| Size (HT/W/FL HT) | 12" / 18" / 17" |
| Finish Time | Medium (6-8 Weeks) |
| Bloom Time | April, May |
| Growth Rate | Fast |
| Most Active Growing Season | Spring |
| Flowering Season | Spring |
| Flower Color | Blue |
| Leaf Color | Green, White |
| Soil | Prefers organic soils, must be well drained but moist. |
| pH | 5.6 - 6.8 |
| Exposure | Part Shade, Full Shade |
| Special Uses | Award Winners, Deer Resistant |
| Nutritional Needs | 50 ppm |
| Dormancy | Winter |
| Water (Greenhouse) | Dry moderately between waterings. |
| Water (Garden) | Moderate, prefers even moisture. |
| How Different? | Has extremely good silvering. It differs from 'Looking Glass' because its veins are green. |
| Landscape Value | A wonderful shade accent plant. Use in containers, as a mass planting, in a border, or under high branching shrubs. |
| Finish Time to 4" | 6 weeks |
| Comments | 'Jack Frost' can take more sun in the Pacific Northwest. When the clump starts to deteriorate in the center, it is time to divide it. Perennial Plant of the Year for 2012. |
| Grower Notes | Recommend growing under 35% shade cloth during summer months. |
Brunnera ‘Jack Frost’
Sky blue, forget-me-not flowers and leaves with a netted silver overlay. Absolutely stunning in the garden from early spring to fall. One of the showiest and most garden worthy plants to come along in a decade. Perennial Plant of the Year for 2012.
USDA Hardiness Zone(s): 4-9
Size (HT/W/FL HT): 12″ / 18″ / 17″
Exposure: Part Shade, Full Shade
Bloom Time(s): April, May
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