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Convallaria keiskei - Miq.

Common Name Lily Of The Valley
Family Convallariaceae
USDA hardiness 3-7
Known Hazards All parts of the plant are poisonous[7, 10, 19]. However, the toxic principle is very poorly absorbed when taken orally so poisoning is unlikely to occur[65].
Habitats Highlands and mountain meadows all over Japan[58].
Range E. Asia - China, Japan, Korea, Siberia.
Edibility Rating    (1 of 5)
Other Uses    (2 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Fully Hardy Well drained soil Moist Soil Wet Soil Full shade Semi-shade Full sun
Convallaria keiskei Lily Of The Valley


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Convallaria keiskei Lily Of The Valley
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Summary


Physical Characteristics

 icon of manicon of flower
Convallaria keiskei is a PERENNIAL growing to 0.3 m (1ft).
See above for USDA hardiness. It is hardy to UK zone 3 and is not frost tender. It is in flower from April to May. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, flies. The plant is 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 full shade (deep woodland) semi-shade (light woodland) or no shade. It prefers dry moist or wet soil.

UK Hardiness Map US Hardiness Map

Synonyms

C. japonica. C. majalis. non L. C. majalis keiskei. (Miq.)Maxim. C. majalis mandschurica.

Plant Habitats

Woodland Garden Dappled Shade; Shady Edge; Ground Cover; Bog Garden;

Edible Uses

Edible Parts: Flowers  Leaves
Edible Uses: Tea

The whole plant is cooked as a potherb or put in miso soup[177, 183]. Caution is advised, see the notes above on toxicity. The flowers and flower buds are preserved in salt or mixed with leaf tea and drunk[177, 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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Other Uses

Plants can be grown as a ground cover in woodland shade or in a shrubbery[200].

Special Uses

Ground cover

References   More on Other Uses

Cultivation details

Succeeds in almost any situation, including the dense dry shade of large trees[1, 24]. Prefers a position in semi-shade in a moderately fertile well-drained moist woodland soil[200]. Grows well in heavy clay soils. Plants are hardy to -20°c or lower[200]. A good bee plant[4]. A very ornamental plant, though it can become very invasive once it is established[200]. Plants seem to be immune to the predations of rabbits[233].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Plant Propagation

Seed - best sown as soon as it is ripe, otherwise in late winter, in a cold frame[164]. Germination, particularly of stored seed can be very slow, taking 2 - 12 months or more at 15°c[164]. Sow the seed thinly so that the seedlings can be allowed to grow on undisturbed in the pot for their first year. Apply a liquid feed during the growing season to ensure that the seedlings are well fed. Divide the young plants into individual pots when they die down in late summer and grow them on in pots in a shady position in a cold frame for at least another year before planting them out into their permanent positions when they are dormant[K]. Division in September[111]. Very easy, larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.

Other Names

If available other names are mentioned here

Native Range

TEMPERATE ASIA: Russian Federation (Chita, Irkutsk, Krasnoyarsk (south)), Mongolia (east), Russian Federation (Habarovskij kraj, Primorye, Amur, Sakhalin), China (Gansu Sheng, Hebei Sheng, Heilongjiang Sheng, Henan Sheng, Hunan Sheng, Jilin Sheng, Liaoning Sheng, Nei Mongol Zizhiqu, Ningxia Huizi Zizhiqu, Shaanxi Sheng, Shandong Sheng, Shanxi Sheng, Zhejiang Sheng), Korea, Japan (Hokkaidô, Honshu, Kyushu) TROPICAL ASIA: Myanmar (north)

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 :

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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

Miq.

Botanical References

58200

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