Convallaria keiskei
Miq.
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Summary
Perennial herb reaching 0.3 m tall. Hardy to UK zone 3 and frost-hardy. Flowers April to May. Hermaphroditic, self-fertile, pollinated by bees and flies. Grows in light sandy, medium loamy, or heavy clay soils with mildly acid, neutral, or mildly alkaline pH. Tolerates full shade, semi-shade, or full sun, and adapts to dry, moist, or wet soil.
Description
Perennial herb reaching 0.3 m tall. Hardy to UK zone 3 and frost-hardy. Flowers April to May. Hermaphroditic, self-fertile, pollinated by bees and flies. Grows in light sandy, medium loamy, or heavy clay soils with mildly acid, neutral, or mildly alkaline pH. Tolerates full shade, semi-shade, or full sun, and adapts to dry, moist, or wet soil.
Edible Uses
The whole plant can be cooked as a potherb or added to miso soup. Caution is advised regarding toxicity. The flowers and flower buds are preserved in salt or combined with leaf tea and drunk.
Traditional Uses
The flowers and flower buds are preserved in salt of mixed with leaf tea and drunk.
This uses section is brief — help expand it
Medicinal Uses
No medicinal uses are known for this plant.
Known Hazards
All parts of the plant are poisonous. However, the toxic principle is very poorly absorbed when taken orally so poisoning is unlikely to occur.
Distribution
It is a temperate plant.
Where It Grows
Asia, Japan, Korea, Mongolia,
Cultivation
Succeeds in almost any situation, including the dense dry shade of large trees. Prefers a position in semi-shade in a moderately fertile well-drained moist woodland soil. Grows well in heavy clay soils. Plants are hardy to -20°c or lower. A good bee plant. A very ornamental plant, though it can become very invasive once it is established. Plants seem to be immune to the predations of rabbits.
Propagation
Sow seed as soon as it is ripe, or in late winter, in a cold frame. Germination, especially of stored seed, can be very slow, taking 2 to 12 months or more at 15°C. Sow thinly so seedlings can remain undisturbed in the pot for their first year. Apply liquid feed during the growing season to keep seedlings well nourished. Divide young plants into individual pots when they die down in late summer and grow on in a shady cold frame for at least another year before planting out into permanent positions while dormant. Division in September is straightforward; larger clumps can go directly into permanent positions, while smaller clumps are better potted up in a cold frame until rooting well, then planted out in spring.
Other Uses
Plants can be grown as ground cover in woodland shade or in a shrubbery.
Synonyms
References (1)
- Urgamal, M., Oyuntsetseg, B., Nyambayar, D. & Dulamsuren, Ch. 2014. Conspectus of the vascular plants of Mongolia. (Editors: Sanchir, Ch. & Jamsran, Ts.). Ulaanbaatar, Mongolia. p 50
