Plant of the Month, February 2009

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Helleborus foetidus


Other Cultivars/species:
Green Giant (RHS),  Wester Flisk Group(RHS), Sopron
 

Extra notes and interesting information:
Foetidus means fetid but smell is actually more like pungent, or at most unpleasant; refers to the smell emitted by the leaves when crushed and requires being extremely close to the plant.

All parts of the plant are poisonous if ingested in large quantities. Skin irritation, burning  mouth and throat, vomiting, abdominal cramping.
Propagation is by division or by seed which can be prolific, naturalizing if happy. Ants, because of elaiosomes on seeds, often contribute to seed distribution. Clipping seed pods before maturity will reduce seedlings.  A plant will last about five years.  A plant will produce flowers often within 2 -3 years of germination.
Awards: RHS Award of Garden Merit, Great Plant Pick
 

References:
www.greatplantpicks.com
www.wikepedia.com
www.munchkinnursery.com
www.davesgarden.com
www.hellebores.org

Common Name: Stinking Hellebore, Dungwort, Bear Paw Hellebore (refers to shape of leaves)

Plant type: Perennial
Family:
Ranunculaceae
Height/Spread:
Height 2-4 feet; Spread 2-4 feet.
Leaves: Slender, dark green, evergreen,  glossy, leathery leaves divided into 7-10 narrow lance shaped usually toothed  leaflets to 8” long; foliage color varies from bright green to almost slate, deepens in cold weather. Cut back flowering stems after blooms to promote new foliage growth.
Flowers: Borne high above foliage, clusters of drooping bell shaped flowers, yellow green often with purple-red edges;  5 petal like sepals subtended by pale green brachts at the tips of stems contrasting nicely with dark foliage. Pollinated by bees.
Bloom Time: January thru April

Bark/Stem: Strongly upright succulent stems that when mature, produce flowers and seeds and then dies.  A new stem will replace the dead stem.

Diseases/Pests:

None Serious.

Growing Conditions:  Ideal conditions: woodland with deep fertile, moist, humus rich soil with dappled shade. Likes light but not afternoon sun.  Appreciates mulching with chopped leaves or fine wood chips.  It tolerates dry shade.  Constant wet causes root rot.  Soil pH is mildly acidic to neutral. It often occurs naturally on limestone soils.

Natural range: Native to western Europe; woodland, scrub, open rocky areas to 6000 feet.

Hardiness: USDA zones 6 to 9.
Location:
Waterwise Garden, Beds W02, W06, W08, W15 (best).
Accession Numbers:  93-397, 93-318


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