Apocynaceae
Stiff bluestar
Amsonia rigida
- Family
- Apocynaceae
- Genus
- Amsonia
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Common names
By language (1)
- English
- Stiff bluestar
Flowers
- In flower
- April (from 8 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos
Photo: Alan Weakley, CC0, from iNaturalist 
Photo: Joseph Aubert, CC BY 4.0, from iNaturalist
More in Amsonia
- Blue starAmsonia orientalisApocynaceae
- Eastern bluestarAmsonia tabernaemontanaApocynaceae
- Woolly bluestarAmsonia tomentosaApocynaceae
- Amsonia ellipticaApocynaceae
- Hubricht's bluestarAmsonia hubrichtiiApocynaceae
- Kearney's bluestarAmsonia kearneyanaApocynaceae
- Fringed bluestarAmsonia ciliataApocynaceae
- Jones' bluestarAmsonia jonesiiApocynaceae
- Feltleaf bluestarAmsonia tharpiiApocynaceae
- Tubular bluestarAmsonia longifloraApocynaceae
- San Antonio bluestarAmsonia fugateiApocynaceae
- Arizona bluestarAmsonia grandifloraApocynaceae
Sources: classification 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.