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Summary
Physical Characteristics
Asarum sieboldii is a PERENNIAL growing to 0.2 m (0ft 6in). It is in flower from April to May. The species is hermaphrodite (has both male and female organs) and is pollinated by Flies.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid and neutral soils. It can grow in full shade (deep woodland) or semi-shade (light woodland). It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Habitats
Woodland Garden Dappled Shade; Shady Edge; not Deep Shade;
Edible Uses
Medicinal Uses
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Anaesthetic Analgesic Antibacterial Antipyretic Diaphoretic Diuretic Emetic Expectorant
Hypotensive Odontalgic Purgative Sedative Sternutatory
Odontalgic, sternutatory[61, 147]. The entire plant is anaesthetic, analgesic, antibacterial, antipyretic, antitussive, diaphoretic, diuretic and hypotensive[176]. It is used in the treatment of colds, severe toothache, rheumatic pain and chronic bronchitis with copious and thin phlegm[176]. This remedy should be used with caution, large doses of the essential oil can lead to death[176]. The root is analgesic, expectorant, sedative, diaphoretic, diuretic, emetic and purgative[218, 279]. A decoction is used in the treatment of stuffy nose, toothache, headache, rheumatic aches and pains, productive coughing and wheezing[147]. It is harvested in the autumn and dried for later use[238].
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Other Uses
Cultivation details
We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in many parts of this country. The following notes are based on the general needs of the genus. Prefers a rich moist neutral to acid soil in woodland or a shady position in the rock garden[1, 200]. Plants are hardy to at least -15°c[200]. The flowers are malodorous and are pollinated by flies[200]. Plants often self-sow when growing in a suitable position[200].
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Propagation
Seed - best sown in a cold frame as soon as it is ripe in the summer[134]. Stored seed will require 3 weeks cold stratification and should be sown in late winter[134]. The seed usually germinates in the spring in 1 - 4 or more weeks at 18°c[134]. When large enough to handle, prick the seedlings out into individual pots and grow them on in light shade in the greenhouse for at least their first winter. Plant them out when large enough in late spring. Division in spring or autumn. Plants are slow to increase[200]. It is best to pot the divisions up and keep them in light shade in the greenhouse until they are growing away strongly.
Other Names
If available other names are mentioned here
Found In
Countries where the plant has been found are listed here if the information is available
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
Conservation Status
IUCN Red List of Threatened Plants Status :
Expert comment
Author
Miq.
Botanical References
74266
Links / References
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