Overview
Hypericum perforatum 'Topaz' is a bushy, spreading, creeping shrubs in the genus Hypericum, part of the Hypericaceae family, with deciduous, evergreen, semi-evergreen foliage. Hypericum perforatum 'Topaz' 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 perforatum 'Topaz' is a cultivar of the Hypericum genus, which includes a range of growth forms from annuals to trees, often with bright yellow flowers and paired leaves. This cultivar has a bushy, spreading, and creeping habit, making it suitable for use as groundcover or in flower borders. It is adaptable to various soil types including chalk, clay, loam, and sand, and thrives in fertile, well-drained soil with full sun or partial shade. 'Topaz' is hardy to UK zone H5 and provides interest in spring and summer.
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 perforatum 'Topaz' 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 perforatum 'Topaz'
- 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 perforatum 'Topaz'?
Hypericum perforatum 'Topaz' prefers full sun and partial shade. It suits sheltered positions.
What soil does Hypericum perforatum 'Topaz' need?
Hypericum perforatum 'Topaz' 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 perforatum 'Topaz' hardy in the UK?
Hypericum perforatum 'Topaz' 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 perforatum 'Topaz'?
Softwood cuttings, Semi-ripe cuttings, Seed.
More in the Hypericum genus
- Hypericum bequaertii
- Hypericum boreale
- Hypericum ericoides
- Hypericum maculatum subsp. maculatum
- Hypericum mutilum
- Hypericum origanifolium
- Hypericum perforatumperforate St John's wort
- Hypericum x inodorum 'Allrico'tall tutsan 'Allrico'
