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Helleborus occidentalis, Reuter (1869)

  • Perennial, glabrous, usually 8-16" in flower
  • Leaves basal, serrate or dentate, slightly pedate with 7-13 segments;
    not wintergreen.
  • Flowers green, approximately 1.5" in diameter
  • Germany, France, Spain, Belgium, Britain
  • Woodland, scrub to around 5000'

Formerly known as Helleborus viridis subsp. occidentalis, H. occidentalis
represents one of the several green-flowered acaulescent species.
Distribution of H. occidentalis is more westerly and northerly than that of
Helleborus viridis, covering a wide area from Britain and Belgium down
through parts of France, Spain, and Germany; however, the true natural range
is not entirely known. It has been cultivated in gardens and monasteries at
various points throughout history, so much of its current range may be the
result of garden escapes. The plants have often been used is homeopathic
and medical treatments, and it is reported to have been a garden escape in
the northeastern states of the US. So, its current range is relatively large and
varied, and it can adapt to many different soils and growing conditions.

Until recently, this species was treated as a subspecies of Helleborus viridis;
however, it has been raised to specific status and both species have
distinguishing features worth mentioning. Other than geographical
distribution, some features that distinguish it from H. viridis include:

  • Smaller plant and sepals initially more inwardly curved
  • Leaves more serrate
  • Follicles often shorter
  • Leaflets glabrous and division of leaflets further toward the tips rather
    than near the base.

(From Mathew and McLewin. "Helleborus viridis", Plantsman 1:3 September
2002, 150-153.)

H. occidentalis is primarily a plant of woodland but occurs in many different
environments. In the Pyrenees it can be found at high elevations in exposed
conditions. Like most hellebores, it is an easy plant in cultivation. The leaves
are not wintergreen but persist through summer before turning brown and
dessicating in autumn. Flowers are small to medium and mostly green to light
green. Overall, it is an unassuming plant that hasn't received much attention in
horticultural circles but is certainly worth growing, particularly in light woodland
conditions or in a natural garden setting.

The flowers are often born on long pedicels and often reflex strongly after
fertilization so that the sepals are held almost horizontally. It is a charming
look actually, particularly when combined with other woodland plants. H.
occidentalis is a plant that does not mind some shade and seems less happy
about intense sun exposure than some of the other species in its group. Its
foliage begins to turn brown in summer or fall, so providing dappled shade
will prolong its season. Of course the trade-off, as usual with hellebores, is
that more shade equals fewer blooms.  


Top: Helleborus occidentalis in England.
Photo by Tim Murphy.

Bottom: H. occidentalis in Germany.
Photo by Matthias Thomsen.