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Helwingia japonica - Dietr.

Common Name
Family Cornaceae
USDA hardiness 7-10
Known Hazards None known
Habitats Woods and thickets in hills and low mountains of Japan[58]. Moist rich soil in woods, thickets, valleys, streamsides and roadsides at elevations of 100 - 3400 metres[266].
Range E. Asia - China, Japan.
Edibility Rating    (1 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Frost Hardy Moist Soil Semi-shade Full sun
Helwingia japonica


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Helwingia japonica
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Summary


Physical Characteristics

 icon of manicon of shrub
Helwingia japonica is a deciduous Shrub growing to 1.5 m (5ft) by 1.5 m (5ft).
See above for USDA hardiness. It is hardy to UK zone 8. It is in flower from April to May, and the seeds ripen from August to October. The species is dioecious (individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required). . The plant is not self-fertile.
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) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

H. rusciflora. Osyris japonica.

Habitats

Woodland Garden Sunny Edge; Dappled Shade; Shady Edge;

Edible Uses

Edible Parts: Flowers  Leaves
Edible Uses:

Young leaves - cooked with rice or boiled as a potherb[1, 2, 179, 183]. The young flowers and young shoots are also eaten[105, 179, 183].

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.


None known

References   More on Medicinal Uses

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FOOD FOREST PLANTS

Other Uses

None known

Special Uses

References   More on Other Uses

Cultivation details

Succeeds in ordinary garden soil[1]. Requires a sheltered position beneath a good tree canopy cover[200]. Not very hardy in Britain, tolerating temperatures down to about -7°c, it only succeeds outdoors in the milder areas of the country[200]. Cultivated for its leaves in Japan[1]. The flowers are produced on the midribs of the leaves[200]. Dioecious, male and female plants must be grown if seed is required.

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Propagation

Seed - we have no information on this species but suggest sowing the seed in a greenhouse in late winter. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Cuttings of half-ripe wood, July/August in a frame.

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 :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Helwingia chinensis Shrub1.5 7-10  LMHFSM11 
Helwingia himalaica Shrub2.5 -  LMHFSM10 
Helwingia liukiuensis Shrub1.5 -  LMHFSM10 

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.

 

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Expert comment

Author

Dietr.

Botanical References

11200266

Links / References

For a list of references used on this page please go here

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