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Manchurian Iris

Iris mandshurica

Manchurian Iris is a small rhizomatous perennial iris from Northeast Asia, grown as an ornamental in temperate gardens and rock gardens. It thrives in well-drained loam with full sun to part shade.

Family
Iridaceae (Iris family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water regularly during the growing season, and keep it drier in winter.
Soil
Well-drained loam, tolerating mildly to strongly acidic soil (pH about 5.1 to 6.5).
Temperature
Hardy in cold temperate climates; USDA zones roughly 3 to 10 per sources.
How easy
Easy
Safety
Toxic: Rhizome and leaves are poisonous if ingested, causing stomach pain and vomiting; handling can cause skin irritation or allergic reaction.
Native range
Primorye to N. China and N. Korea
Climate
temperate

About

Iris mandshurica is a species in the genus Iris; it is also in the subgenus of Iris and in the Psammiris section. It is a rhizomatous perennial, it is found in Russia, China, and Korea. It has green sword-like leaves, smooth green stem and yellow flowers, with yellow-purple (or maroon) veining and a yellow beard. It is cultivated as an ornamental plant in temperate regions.

How to grow it

It is hardy to between USDA Zone 5 and Zone 11, or between Zone 3 to 10.

It prefers dry winters.

Safety

Like many other irises, most parts of the plant are poisonous (rhizome and leaves), and if mistakenly ingested can cause stomach pains and vomiting. Also, handling the plant may cause skin irritation or an allergic reaction.

Other Iris plants

Iris acutiloba subsp. lineolata · Iris acutiloba · Iris adriatica · Iris afghanica · Iris alberti · Iris albomarginata · Iris alexeenkoi · Single Bract Iris · Iris antilibanotica · Stool iris · Iris arenaria · Iris assadiana

Text excerpted from the Wikipedia article Iris mandshurica by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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