Yellow Mongolian Iris (Iris bloudowii) is a small, slow-spreading rhizomatous perennial with sickle-shaped leaves and one or two yellow flowers on a slender stem. It is grown mainly in rock gardens and needs full sun, sharp drainage and a dry winter rest.
Family
Iridaceae (Iris family)
Grows as
Perennial
Light
Full sun
Water
Water moderately during the growing season and keep the rhizomes dry in winter.
Soil
Well-drained, light sandy or gravelly soil; tolerates mildly acidic to mildly alkaline conditions.
Temperature
Very cold hardy; USDA Zones 4 to 9, with dry winter conditions preferred.
How easy
Moderate
Safety
Toxic: Rhizome and leaves are poisonous; ingestion can cause stomach pain and vomiting, and handling may cause skin irritation or allergic reaction.
Native range
C. Asia to S. Siberia and Mongolia
Climate
temperate
About
Iris bloudowii 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, from Russia, Siberia, Kazakhstan, Mongolia and China, with sickle-shaped leaves, slender stem and 2 bright or pale yellow flowers. It is cultivated as an ornamental plant in temperate regions.
How to grow it
It is hardy to between USDA Zone 4 and Zone 9.
It is very cold hardy but prefers dry winter conditions.
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 a skin irritation or an allergic reaction.
Where it grows
Iris bloudowii is native to temperate regions of central Asia.
Text excerpted from the Wikipedia article Iris bloudowii 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.