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| Identification |
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Genus
Helleborus
Species
niger
Variety
Cultivar
Common names
black hellebore
Christmas rose
Family
RANUNCULACEAE
Specimen number
S10623
Data source
MedPl p217;Poison p84;Xeri p289
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| Life cycle |
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Life form
Terrestrial
Life cycle
Perennial
Life span
3 - 10 years
Annual cycle
Not applicable
Stature
Various
Growth form
Not applicable
Growth habit
Prostrate
Overall height
1'
Overall spread
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| Climate |
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Sunshine
Various
Water
Moist to wet
Optimal soil texture
Various
Acceptable soil pH
Various
USDA hardiness
USDA zones 04a-10b
AHS heat zones
Not classified
Sunset climate zones
Not classified
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| Garden |
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Suitable for gardens
yes
Nursery
Unknown
Compost
no
Size at acquisition
Unknown
Garden location
Unknown
Garden notes
Helleborus niger can survive very cold winters with annual averages as low as -30� Fahrenheit. It prefers moist to wet soils.
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| Special qualities |
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Tolerates drought
no
Tolerates high humidity
no
Tolerates seaside conditions
no
Insect resistant
no
Disease resistant
no
Deer resistant
no
Best uses
Symbiosis
Attracts butterflies
no
Attracts hummingbirds
no
Autumn foliage
no
Colorful berries
no
Desirable qualities
Other interest
Other interest color
Other interest period
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| Adverse factors |
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Common pests
Poisonous parts
Whole plant
Poisonous indications
It causes salivation, tingling of throat, vomiting and diarrhea.
Internal poison
yes
Dermatologic poison
no
Livestock poison
no
Mechanical injury
no
Hay fever pollen
Hay fever season
Adverse qualities
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| Herbal medicine |
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Medicinal properties
cardiac
purgative
anthelmintic
Medicinal parts
Rhizome
Root
Leaves
Has medicinal uses
yes
Do not self-administer
no
Do no use if pregnant
no
Legally restricted
no
Toxicity precautions
Do not use medicinally -- it is extremely toxic
Medicinal notes
Helleborus niger is used as a traditional herbal remedy. It's used as a cardiac, a purgative and an anthelmintic. The rhizome together with the root and the leaves are considered to be the valuable parts by the herbalist. Do not use medicinally -- it is extremely toxic. This whole plant is toxic. It is poisonous if ingested. It causes salivation, tingling of throat, vomiting and diarrhea.
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| Traditional uses |
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Parts used
Traditional uses
Contemporary uses
Fragrance
Fragrance parts
Fragrance intensity
Fragrance category
Dye parts
Dye color
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| Cultivation |
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Propagule
Various
Pollination method
Planting style
Crop spacing
Row spacing
Cold frame
Planting period
Harvesting period
Frost tolerance
Heat requirement
Fertilizer
Typical
Time to harvest
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| Nutrition |
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Is edible
no
Culinary uses
Nutritional value
Edible parts
Description of edible parts
Flavor / texture
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| Horticulture |
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Horticulture notes
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| Herbarium |
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Tag needs printing
no
Collection notes
Helleborus niger is a perennial. Flowers: Christmas rose (locally known in some parts as black hellebore) has 5 petaled flowers which are 2 to 3 inches across. Most often the flowers occur in either white or pink.
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