Helleborus x hybridus 'Ursula Key-Davis' — Clump forming

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.

About the genus

Commonly known as hellebores, the Eurasian genus Helleborus consists of approximately 20 species of herbaceous or evergreen perennial flowering plants in the family Ranunculaceae, within which it gave its name to the tribe of Helleboreae. Many hellebore species are poisonous.

Wikipedia contributors, "Hellebore", CC BY-SA 4.0 — Hellebore

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

Browse all Helleborus →