Geraniaceae
Thunberg's geranium
Geranium thunbergii
- Family
- Geraniaceae
- Genus
- Geranium
Pet and kid safety: not checked yet. Check pet-safe plants
Is yours looking unwell? Scan your plant — free
Common names
By language (5)
- Chinese
- 中日老鹳草, 中日老鹳草*(东亚老鹳草）, 老鹳草, 东亚老鹳草
- English
- Thunberg's geranium
- Japanese
- ゲンノショウコ, ゲンソウ, ミコシグサ, 玄草
- Korean
- 이질풀
- Slovenian
- Thunbergova krvomočnica
Synonyms
- Geranium chinense Migo
- Geranium iinumai var. asiaticum Koidz.
- Geranium nepalense f. albiflora T.H.Chung ex W.T.Lee
- Geranium nepalense f. glabratum (H.Hara) H.Hara
- Geranium nepalense f. japonica Maxim.
- Geranium nepalense f. pallidum (Nakai ex H.Hara) H.Hara
- Geranium nepalense f. roseum H.Hara
- Geranium nepalense subsp. thunbergii (Siebold & Zucc.) H.Hara
- Geranium nepalense var. thunbergii (Siebold ex Lindl. & Paxton) Kudô
- Geranium palustre Thunb. ex R.Knuth
- Geranium peregrinum Thell.
- Geranium thunbergii f. albiflora T.H.Chung
- Geranium thunbergii f. glabratum (Nakai ex H.Hara) Murata
- Geranium thunbergii f. pallidum (Nakai ex H.Hara) Murata
- Geranium thunbergii f. plenum (Iwata) H.Hara
- Geranium thunbergii f. roseum (H.Hara) Murata
- Geranium thunbergii var. glabratum Nakai ex H.Hara
- Geranium thunbergii var. pallidum Nakai ex H.Hara
- Geranium thunbergii var. pallidum Nakai
- Geranium thunbergii var. plenum Iwata
- Geranium thunbergii var. roseum Nakai
- Geranium wilfordii var. chinense (Migo) H. Hara
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: introduced
Plant problems
Photos
Photo: Dalgial, CC BY-SA 3.0, from Wikimedia Commons 
Photo: TANAKA Juuyoh, CC BY 2.0, from Wikimedia Commons 
Photo: Dalgial, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Dalgial, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Σ64, CC BY 3.0, from Wikimedia Commons 
Photo: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org, CC BY 3.0, from Wikimedia Commons ![Thunberg's geranium: ゲンノショウコ [Geranium thunbergii]](/plants/geranium-thunbergii/photos/f5702dee67ebbd2e-l.webp)
Photo: yamatsu, CC0, from Wikimedia Commons ![Thunberg's geranium: ゲンノショウコ [Geranium thunbergii]](/plants/geranium-thunbergii/photos/47aca16925a93652-l.webp)
Photo: yamatsu, CC0, from Wikimedia Commons ![Thunberg's geranium: ゲンノショウコ [Geranium thunbergii]](/plants/geranium-thunbergii/photos/6896e3fa1ff4e6f5-l.webp)
Photo: yamatsu, CC0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
More in Geranium
- Herb-robertGeranium robertianumGeraniaceae
- Wood crane's-billGeranium sylvaticumGeraniaceae
- Bloody geraniumGeranium sanguineumGeraniaceae
- Dovefoot geraniumGeranium molleGeraniaceae
- Meadow geraniumGeranium pratenseGeraniaceae
- Cutleaf geraniumGeranium dissectumGeraniaceae
- Small-flowered crane's-billGeranium pusillumGeraniaceae
- Shining geraniumGeranium lucidumGeraniaceae
- CranesbillGeranium macrorrhizumGeraniaceae
- Hedgerow geraniumGeranium pyrenaicumGeraniaceae
- Longstalk cranesbillGeranium columbinumGeraniaceae
- Black widowGeranium phaeumGeraniaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.