| Common Name | Lungwort |
|---|---|
| Family | Boraginaceae |
| Genus | Pulmonaria |
| species | -- |
| Plant Type | Perennial |
| US Patent # | -- |
| EU Patent # | -- |
| Bloom Time | April, May |
| Flower Color | Blue |
| Foliage Color | Green |
| Dormancy | Required |
| Exposure | Full Sun |
| Growth Habit | Clumping, Mounding |
| Growth Rate | Fast |
| Hardiness Zone | 4, 5, 6, 7, 8, 9 |
| How Different? | -- |
| Landscape Value | Shade garden, mixed beds, under high branching shrubs, woodland. |
| Most Active Growing Season | Spring |
| Persistence | Deciduous |
| Size (HT/W/FL HT) | 12" / 18" / 14" |
| Soil (Garden) | Average |
| Water (Garden) | Prefers average to moist soil in the garden. |
| Special Uses | Deer Resistant, Hummingbird Attractor |
| Comments | Plants wilt rapidly from soil drying out when large and rooted out. Can be root pruned when grow too large for pot. Crown will re-root quickly. Pulmonaria prefer their roots cool. This variety finishes slower than most other Pulmonaria. |
Pulmonaria NOVA® ‘Cobalt’
Deep green foliage and deep blue flowers make a dramatic statement in the spring garden. A very sturdy plant that has longevity in the garden. Very hardy and fool proof almost everywhere.
USDA Hardiness Zone(s): 4-9
Size (HT/W/FL HT): 12″ / 18″ / 14″
Exposure: Part Shade, Full Shade
Bloom Time(s): April, May
| Water (Greenhouse) | Dry moderately between waterings. |
| EC | 1.0 – 2.0 |
| pH | 5.6 – 6.8 |
| Fertility Needs | 150 – 200 ppm |
| Notes | 8 week vernalization required for flowering, plant size. Transplant to 1-gallon pots late summer/early fall for full plants in late winter. |
| Finish Time to 4″ | 5 – 7 weeks |
| Finish Time to Gallon | — |
| Day Length for Flowering | Day Neutral |
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Please credit TERRA NOVA® Nurseries in the following manner:
Photo(s) courtesy of TERRA NOVA® Nurseries, Inc.
www.terranovanurseries.com
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Related Articles Featuring: Pulmonaria NOVA® ‘Cobalt’
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- January, 2025 – Garden Gate: 2025’s Best New Garden Plants: Perennials for Shade – click here
- November, 2024 – The Women’s Outdoor News: Nursery Unveils Plants for Popular 2025 Colors of the Year – click here
- October, 2024 – Greenhouse Canada: Peak performers: New and notable perennials for 2025 – click here
- October, 2024 – HGTV: Real Plants that Look Like AI – click here
- March, 2024 – FloralDaily: Terra Nova Nurseries unveils new Pulmonaria variety – click here
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