Identification |
Genus
Rhamnus
Species
frangula
Variety
Cultivar
Common names
trollhegg
alder buckthorn
Family
RHAMNACEAE
Specimen number
S10527
Data source
DyePl p68;MedPl p259;Xeri p303
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Life cycle |
Life form
Terrestrial
Life cycle
Woody perennial
Life span
5 - 20 years
Annual cycle
Deciduous
Stature
Shrub
Growth form
Various
Growth habit
Not applicable
Overall height
10' - 18'
Overall spread
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Climate |
Sunshine
Full sun to partial shade
Water
Dry
Optimal soil texture
Various
Acceptable soil pH
Various
USDA hardiness
USDA zones 03a-09b
AHS heat zones
Not classified
Sunset climate zones
Not classified
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Garden |
Suitable for gardens
yes
Nursery
Unknown
Compost
no
Size at acquisition
Unknown
Garden location
Unknown
Garden notes
The bark of Rhamnus frangula has been used in traditional fabric dyeing. Bronze brown is the most typical color produced by Alder buckthorn. Rhamnus frangula is known as trollhegg in Norwegian. Buckthorn is used in Norway for dyeing. This plant can survive very cold winters with annual averages as low as -40� Fahrenheit. Full sun to partial shade is best for growing this species. It usually does best in dry soils.
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Special qualities |
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 |
Common pests
Poisonous parts
Poisonous indications
Internal poison
no
Dermatologic poison
no
Livestock poison
no
Mechanical injury
no
Hay fever pollen
Hay fever season
Adverse qualities
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Herbal medicine |
Medicinal properties
laxative
cathartic
Medicinal parts
Bark
Has medicinal uses
yes
Do not self-administer
no
Do no use if pregnant
no
Legally restricted
no
Toxicity precautions
The berries are toxic; the fresh bark is highly purgative.
Medicinal notes
Rhamnus frangula has been used in traditional herbal healing as either a laxative or a cathartic. Other species with the same medicinal qualities include Rhamnus purshiana. Herbal remedies are only prepared from the bark. The berries are toxic; the fresh bark is highly purgative.
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Traditional uses |
Parts used
Traditional uses
Contemporary uses
Fragrance
Fragrance parts
Fragrance intensity
Fragrance category
Dye parts
Bark
Dye color
bronze brown
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Cultivation |
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
|
Nutrition |
Is edible
no
Culinary uses
Nutritional value
Edible parts
Description of edible parts
Flavor / texture
|
Horticulture |
Horticulture notes
Rhamnus frangula most likely originates from Norway.
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Herbarium |
Tag needs printing
no
Collection notes
Rhamnus frangula is a woody perennial. Alder buckthorn is deciduous in nature.
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