Poaceae
Big bluestem
Andropogon gerardii
- Family
- Poaceae
- Genus
- Andropogon
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Common names
By language (10)
- Arabic
- سفون جيرارد, أندروبوغون جيراردي, لحية الرجل
- arz
- سفون جيرارد
- Chinese
- 大須芒草, 大须芒草
- English
- Big bluestem, Beard grass, Big bluestem grass, Bluejoint, Tall bluestem, Turkey foot, Turkeyfoot
- Finnish
- Isovarrasheinä
- French
- Barbon de Gérard, Barbon fourchu, Barbon à épis digités
- Japanese
- ビッグブルーステム
- Latvian
- Žerāra andropogone
- Russian
- Бородач Жерара
- Slovenian
- Visoki obrad
Synonyms
- Andropogon gerardii subsp. gerardii
- Andropogon gerardii var. chrysocomus (Nash) Fernald
- Andropogon gerardii var. gerardii
- Sorghum provinciale Kuntze
Flowers
- In flower
- July to September (from 468 flowering iNaturalist observations worldwide)
- Flower colour
- yellow (USDA PLANTS Database)
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: peterwchen, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons
More in Andropogon
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- Bushy bluestemAndropogon glomeratusPoaceae
- Sand bluestemAndropogon halliiPoaceae
- Andropogon bentiiPoaceae
- Pinewoods bluestemAndropogon arctatusPoaceae
- Barbas de indioAndropogon bicornisPoaceae
- Florida bluestemAndropogon floridanusPoaceae
- Elliott's bluestemAndropogon gyransPoaceae
- Matojillo bluestemAndropogon leucostachyusPoaceae
- Andropogon pseudapricusPoaceae
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.