Overview
Hypericum boreale is a bushy, spreading, creeping shrubs in the genus Hypericum, part of the Hypericaceae family, with deciduous, evergreen, semi-evergreen foliage. Hypericum boreale grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include groundcover, slopes, informal hedging, specimen plants, flower borders and beds.
About
Hypericum boreale is a shrub cultivar within the Hypericum genus, which encompasses a range of growth forms including shrubs that can be deciduous, evergreen, or semi-evergreen. This bushy, spreading, and creeping plant thrives in fertile, well-drained soils under full sun or partial shade, favouring sheltered locations. It is hardy to UK zone H5 and is suitable for use as groundcover, on slopes, in informal hedging, or in flower borders and beds. Its season of interest spans spring and summer, reflecting the genus's characteristic bright yellow flowers with prominent stamens.
Growing conditions
Best soil and position for Hypericum
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H5
Plant details
Hypericum boreale size, habit and characteristics
- Plant type
- Shrubs
- Habit
- Bushy, Spreading, Creeping
- Foliage
- Deciduous, Evergreen, Semi-evergreen
- Suggested uses
- Groundcover, Slopes, Informal hedging, Specimen plants, Flower borders, Beds
Care notes
Pruning and caring for Hypericum boreale
- Propagation
- Softwood cuttings, Semi-ripe cuttings, Seed
- Pest resistance
- Generally pest-free
- Disease resistance
- May be susceptible to rust, honey fungus
Frequently asked questions
Where is the best place to plant Hypericum boreale?
Hypericum boreale prefers full sun and partial shade. It suits sheltered positions.
What soil does Hypericum boreale need?
Hypericum boreale is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Hypericum boreale hardy in the UK?
Hypericum boreale has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Hypericum boreale?
Softwood cuttings, Semi-ripe cuttings, Seed.
More in the Hypericum genus
- Hypericum bequaertii
- Hypericum ericoides
- Hypericum maculatum subsp. maculatum
- Hypericum mutilum
- Hypericum origanifolium
- Hypericum perforatumperforate St John's wort
- Hypericum perforatum 'Topaz'
- Hypericum x inodorum 'Allrico'tall tutsan 'Allrico'
