About

Helleborus x sternii Blackthorn Group is a hellebore hybrid in the genus Helleborus (family Ranunculaceae) that flowers in the winter and early spring. Its bloom period runs from January to April, offering floral interest when many other plants are dormant. The genus is Eurasian and comprises roughly 20 species of herbaceous or evergreen perennial plants. Many hellebore species are poisonous, so take care when handling or situating plants where children or pets might access them.

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

In the garden

Helleborus x sternii Blackthorn Group sits within a Eurasian group of perennial plants that gave its family, Ranunculaceae, the name Helleboreae. The parent genus includes around twenty species varying from herbaceous to evergreen habit, and many members contain toxic compounds; the hybrid Blackthorn Group is sold for its early-season flowering rather than foliage novelty. Expect reliable floral interest from January to April, a window that helps bridge the late-winter gap in temperate UK gardens. Because many hellebore species are poisonous, handle roots and sap with gloves and avoid planting where curious children or animals may sample leaves or stems. Retail specimens labelled under this name are selected for their winter-to-spring bloom display rather than dramatic foliage colours. Use Helleborus x sternii Blackthorn Group where early flowers matter most: it performs a seasonal role, providing heads of bloom while larger shrubs remain bare. As a named group, its key trait is the extended January–April flowering period that can give structure and colour to the garden calendar before other perennials emerge.

More in the Helleborus genus

• 
  Helleborus Gold CollectionHellebore
• 
  Helleborus odorus from KosovoHellebore
• 
  Helleborus purpurascenspurple-flowered Christmas rose
• 
  Helleborus purpurascens 'Pluto'Christmas Rose
• 
  Helleborus x hyb. 'White Spotted'Hellebore
• 
  Helleborus × sterniiStern's hybrid hellebore
• Helleborus colchicusChristmas Rose
• Helleborus x hyb. Ballard's GroupHellebore