Helleborus viridis subsp. viridis — Clump forming

Overview

Helleborus viridis subsp. viridis is a clump forming herbaceous perennial in the genus Helleborus, part of the Ranunculaceae family, with semi evergreen, evergreen foliage. Helleborus viridis subsp. viridis 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 viridis subsp. viridis is a clump-forming herbaceous perennial within the Helleborus genus, known for its rhizomatous or semi-evergreen habit. This cultivar produces palmate basal foliage and sizable, bowl-shaped blooms in late winter or spring, often appearing in loose clusters. It thrives in partial shade with a sheltered aspect, suitable for various soil types including chalk, clay, loam, and sand, preferring moist but well-drained, alkaline to neutral soils. Hardy to UK zone H7, it is well suited to city, courtyard, cottage, and informal gardens, and is best grown in fertile, humus-rich soil with 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 viridis subsp. viridis 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 viridis subsp. viridis

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 viridis subsp. viridis?

Helleborus viridis subsp. viridis prefers partial shade. It suits sheltered positions.

What soil does Helleborus viridis subsp. viridis need?

Helleborus viridis subsp. viridis 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 viridis subsp. viridis hardy in the UK?

Helleborus viridis subsp. viridis has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.