German Iris
Iris sibirica L.
- light
- Sun–part
- water
- Medium
- tall
- 90 cm
- wide
- 84 cm
Iridaceae
Also called Siberian iris
Formerly Biris sibirica, Iris acuta, Iris bicolor, Iris erirrhiza, and 10 more
When it flowers
JFMAMJJASOND
Not known yet in the tropics: too few flowering observations to read a season from.
PetsNo pet-safety information yet
PeopleNC State Extension lists it as mildly poisonous (roots, sap) (25 Oct 2026)
If a child, a pet or anyone may have eaten a plant, contact a doctor or vet straight away, or call the National Poisons Information Centre (AIIMS, New Delhi) on 1800 116 117, free and open 24 hours.
Something wrong with it?About it
- Grows as
- Rhizomatous geophyteKew's checklist, not yet checked
- Climate
- TemperateKew's checklist, not yet checked
- Wild in
- C. Europe to MongoliaKew's checklist, not yet checked
- Light
- Full sun to part shade (3 h or more)Read from NC State Extension and Wikipedia, checked by a majority of its sourcesBacked by both sources
- Height
- 61 cm to 1.2 mRead from NC State Extension and Wikipedia, checked by a majority of its sourcesBacked by both sources. Sources differ: NC State Extension 2–4 ft; Wikipedia 50–120 cm
- Spread
- 76 cm to 91 cmRead from NC State Extension, one source
- Water
- Average: moist, well drainedRead from NC State Extension, one source
- Flowers
- White, blueRead from NC State Extension and Wikipedia, checked by a majority of its sourcesBacked by both sources. Sources differ: NC State Extension blue, brown, orange, purple, red, white, yellow; Wikipedia blue, violet, white
- Coldest it survives
- -30 °C (USDA zone 4b)Read from NC State Extension and Wikipedia, checked: the middle of what its sources sayHalfway between its 2 sources, which differ. Sources differ: NC State Extension -40 °C; Wikipedia -20 °C
Not known yet: heat, hottest it survives.
In other languages (12)
- Chinese
- 西伯利亚鸢尾
- Belarusian
- касач сібірскі
- Czech
- kosatec sibiřský
- Welsh
- Gellesgen feinddail
- German
- Sibirische Schwertlilie
- Estonian
- Siberi võhumõõk
- Finnish
- siperiankurjenmiekka
- Upper Sorbian
- Łučna škleńčica
- Hungarian
- Szibériai nőszirom
- Korean
- 시베리아붓꽃
- Lithuanian
- Sibirinis vilkdalgis
- Dutch
- Siberische lis
Where this comes from
- Wikidata, read 2026-10-25, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- NC State Extension, read 2026-10-25, fact, cited
- Wikipedia, read 2026-10-25, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY-SA 4.0
- 3D model: Iris sibirica (built for Vanagrha) by Vanagrha, own
A fact “checked by a majority of its sources” was settled by a vote of the pages it was read from, not by a person reading it; one marked “one source” rests on that page alone. Anything else not marked checked has not been checked yet. Where nothing is known, the page says so rather than guess.