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Summary
Physical Characteristics
Rohdea japonica is an evergreen Perennial growing to 0.3 m (1ft).
See above for USDA hardiness. It is hardy to UK zone 7. It is in leaf all year, in flower from January to April. The species is hermaphrodite (has both male and female organs).
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland). It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Plant Habitats
Woodland Garden Dappled Shade; Shady Edge;
Edible Uses
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Cardiac Depurative Diuretic Febrifuge Nervine Poultice
The leaves and the roots are depurative, diuretic and febrifuge[61, 147].They are used in the treatment of abscesses, boils, sore throat etc[147, 218]. The roots are used externally as a poultice and internally as a heart and nerve tonic[218]. The plant shows cardiac activity, rather like digitoxin (in Digitalis purpurea)[218].
References More on Medicinal Uses
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Other Uses
Insecticide
The plant has shown insecticidal activity[218].
Special Uses
References More on Other Uses
Cultivation details
Prefers a position in semi-shade in a moderately fertile humus-rich and moisture-retentive soil[200]. Plants are not particular as to the soil type[1].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Plant Propagation
Seed - best sown in a greenhouse as soon as it is ripe[200]. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Division.
Other Names
If available other names are mentioned here
Native Range
TEMPERATE ASIA: China (Guangxi Zhuangzu Zizhiqu, Guizhou Sheng, Hubei Sheng, Hunan Sheng, Jiangsu Sheng, Jiangxi Sheng, Shandong Sheng, Sichuan Sheng, Zhejiang Sheng), Japan (Honshu (south), Kyushu, Shikoku)
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 :
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
(Thunb.)Roth.
Botanical References
58200266
Links / References
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Readers comment
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