Overview
Helleborus x hybridus 'Ursula Key-Davis' is a clump forming herbaceous perennial in the genus Helleborus, part of the Ranunculaceae family, with semi evergreen, evergreen foliage. Helleborus x hybridus 'Ursula Key-Davis' grows best in partial shade, and tolerates most soils and alkaline and neutral pH. Its UK hardiness is rated H7. Suggested uses include city and courtyard gardens and cottage and informal garden.
About
Helleborus x hybridus 'Ursula Key-Davis' is a clump-forming herbaceous perennial belonging to the genus Helleborus, which comprises rhizomatous or semi-evergreen plants with palmate basal foliage. This cultivar thrives in partial shade and sheltered positions, producing sizable, bowl-shaped blooms in late winter or spring. It prefers fertile, humus-rich, moist but well-drained soil, including chalk, clay, loam, or sand, with an alkaline to neutral pH. Suitable for city and courtyard gardens as well as cottage and informal settings, it is hardy to UK zone H7 and benefits from annual mulching.
Growing conditions
Best soil and position for Helleborus
- Sunlight
- Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- West-facing, South-facing, North-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H7
Plant details
Helleborus x hybridus 'Ursula Key-Davis' size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Semi evergreen, Evergreen
- Suggested uses
- City and courtyard gardens, Cottage and informal garden
Care notes
Pruning and caring for Helleborus x hybridus 'Ursula Key-Davis'
- Propagation
- Propagate by seed or by division in autumn
- Pest resistance
- May be susceptible to hellebore aphid, hellebore leaf miner and snails
- Disease resistance
- May be susceptible to hellebore leaf spot and hellebore black death
Frequently asked questions
Where is the best place to plant Helleborus x hybridus 'Ursula Key-Davis'?
Helleborus x hybridus 'Ursula Key-Davis' prefers partial shade. It suits sheltered positions.
What soil does Helleborus x hybridus 'Ursula Key-Davis' need?
Helleborus x hybridus 'Ursula Key-Davis' is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It prefers alkaline and neutral soil. Aim for soil that stays moist but well-drained.
Is Helleborus x hybridus 'Ursula Key-Davis' hardy in the UK?
Helleborus x hybridus 'Ursula Key-Davis' has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Helleborus x hybridus 'Ursula Key-Davis'?
Propagate by seed or by division in autumn.
More in the Helleborus genus
- Helleborus argutifoliusholly-leaved hellebore
- Helleborus foetidusstinking hellebore
- Helleborus foetidus 'Chedglow Variegated' (v)
- Helleborus foetidus 'Green Giant'
- Helleborus foetidus 'Red Silver'
- Helleborus foetidus 'Sienna'
- Helleborus lividus subsp. lividus
- Helleborus niger 'Double Fantasy' (d)
