Brunnera macrophylla ‘Jack Frost’ (Siberian bugloss) is a bushy, herbaceous, perennial has heart shaped silvery, green leaves which get paler and more silvery towards the permitter and they have dark green veins. It prefers well drained to moist soils but can tolerate drier ones after it has it established itself. It does very well in partial to full shade and prefers sheltered positions. It is a hardy with an RHS hardiness rating of H6 meaning it is hardy throughout the UK and Northern Europe down to temperatures between -15C and -20C.
Brunnera macrophylla ‘Jack Frost’ (Siberian bugloss) has delicate, dainty, blue flowers which come out between April and May on stems above the bush heart shaped leaves. For the best variegation shade is important. It makes for a gracious ground cover and is moderately quick growing.
Brunnera macrophylla ‘Jack Frost’ (Siberian bugloss) is perfect for an interesting and more unique spring garden and looks simply stunning when planted under woodland in a drift.
Brunnera macrophylla ‘Jack Frost’ (Siberian bugloss) is great for wildlife, rich in nectar and pollen it is great for attracting bees, insects, butterflies, birds and other pollinators.
It is not known to be toxic to horses, livestock, people or pets.
If any leaves revert back to green, simply cut them back to the base.
Ultimate height and spread
- 40cm high
- 60cm wide
- RHS hardiness rating H6 meaning they can survive temperatures down to between -15C to -20C. This means it can survive the severe winters in the UK and Northern Europe.
- Cottage and informal
- Banks and slopes
- Flower borders and beds
- Ground Cover
- Partial to full shade
- Moist to well drained
When buying a plants it is important to know the different forms that they can come in. For more information visit our page on Bare root, root ball, potted plants.
When purchasing plants, it is essential to plant them properly to ensure they survive. For more information on planting visit our Planting page.