Brunnera macrophylla 'Jack of Diamonds'PBR
Siberian bugloss 'Jack of Diamonds'
A decidous perennial with large, rough, heart-shaped to rounded silvery leaves with dark green veining; each leaf is up to 25cm long and ovelaps at the base forming a mound of foliage to 80cm wide. Tiny, bright blue flowers in small sprays are held above the foliage in spring
Buy this plant
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Blue | Green Grey Silver | ||
---|---|---|---|---|
Summer | Green Grey Silver | |||
Autumn | Green Grey Silver | |||
Winter |
Position
- Full shade
- Partial shade
Aspect
East–facing or North–facing or West–facing
Exposure
Sheltered Hardiness
H6Botanical details
- Family
- Boraginaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy, Clump forming
- Genus
Brunnera are rhizomatous herbaceous perennials with large, ovate or heart-shaped basal leaves and sprays of small bright blue flowers in spring
- Name status
Accepted
How to grow
Cultivation
Best grown in moderately fertile, humus-rich soil that is moist but well-drained. A cool site in partial shade is preferred as leaves will scorch in full sun
Propagation
Propagate by division in early spring or autumn
Suggested planting locations and garden types
- Cottage and informal garden
- Banks and slopes
- Flower borders and beds
- Ground cover
- Underplanting of roses and shrubs
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.