Overview
Brunnera mac. 'Sea Heart' is a plant with a clump-forming habit in the genus Brunnera, part of the Boraginaceae family, with heart-shaped, often variegated foliage. Brunnera mac. 'Sea Heart' grows best in partial shade, and tolerates loam soils and neutral pH. Its UK hardiness is rated H7. Suggested uses include ground cover and underplanting.
About
Brunnera mac. 'Sea Heart' is a clump-forming perennial in the Boraginaceae with heart-shaped, often variegated foliage. It flowers in April to May. Suited to partial shade on moist, neutral loam in north-facing, sheltered spots, it is fully hardy (H7) and works well as ground cover or for underplanting.
Growing conditions
Best soil and position for Brunnera
- Sunlight
- Partial shade
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Moist
- Aspect
- North-facing
- Exposure
- Sheltered
- UK hardiness
- H7
Plant details
Brunnera mac. 'Sea Heart' size, habit and characteristics
- Habit
- Clump-forming
- Foliage
- Heart-shaped, often variegated
- Suggested uses
- Ground cover, underplanting
Care notes
Pruning and caring for Brunnera mac. 'Sea Heart'
- Propagation
- Division
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Brunnera mac. 'Sea Heart'?
Brunnera mac. 'Sea Heart' prefers partial shade. It suits sheltered positions.
What soil does Brunnera mac. 'Sea Heart' need?
Brunnera mac. 'Sea Heart' grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist.
Is Brunnera mac. 'Sea Heart' hardy in the UK?
Brunnera mac. 'Sea Heart' has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Brunnera mac. 'Sea Heart'?
Division.
More in the Brunnera genus
- Brunnera mac. 'Betty Bowring'Siberian Bugloss
- Brunnera mac. 'Jack Frost'Siberian Bugloss
- Brunnera macrophylla
