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hellebore Blackthorn Group | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

hellebore Blackthorn Group

Helleborus × sternii Blackthorn Group

Pollinator Friendly

Genus: Helleborus
Family: Ranunculaceae

About this plant

Blackthorn Group are evergreen perennials to 45cm with purplish biennial stems bearing leaves composed of three bluish-green, pale-veined leaflets. Nodding, pale pinkish-green flowers 3-5cm in width are borne in open clusters

Growing Information

Height

0.1-0.5 Metres

Spread

0.1-0.5 Metres

Hardiness

Foliage

Evergreen

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

ClayChalkLoam

AlkalineNeutral

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Poorly Drained

Aspect

South FacingWest FacingNorth FacingEast Facing

Exposure

Exposed

Care Guide

Cultivation

Thrives in neutral to alkaline soils that are moist, fertile and humus-rich. Partial shade is ideal but can tolerate full sun. Provide shelter from strong, cold winds. Mulch annually in autumn

Pruning

Remove faded or damaged foliage as the flowers appear

Propagation

Propagate by seed in pots in a cold frame as soon as seed is ripe or propagate by division after flowering in early spring or late summer. Named cultivars do not come true from seed

Pests

Prone to hellebore aphid and snails

Diseases

May be affected by hellebore leaf spot and a virus

Garden Uses

Uses

Ground Cover

Planting Places

IndoorOutdoorSubmerged Aquatic

Season of Interest

SpringSummerAutumnWinter

Size & Characteristics

Height

0.1-0.5 Metres

Spread

0.1-0.5 Metres

Habit

Clump Forming

Time to Full Height

Five To Ten Years