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Amsonia rigida (Stiff bluestar)
Bloodworth, Stefan

Amsonia rigida

Amsonia rigida Shuttlw. ex Small

Stiff Bluestar, Marsh Bluestar

Apocynaceae (Dogbane Family)



USDA Native Status: L48 (N)


From the Image Gallery

5 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Follicle
Size Notes: Grows to 2 feet tall by 3 feet wide.

Bloom Information

Bloom Color: Blue
Bloom Time: Mar , Apr , May


USA: AL , GA , LA , MS

Growing Conditions

Light Requirement: Sun , Part Shade
Soil Moisture: Moist
Soil Description: Likes sandy wet soils.

National Wetland Indicator Status

Status: FACW
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Mt. Cuba Center - Hockessin, DE

Web Reference

Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Amsonia rigida in USDA Plants
FNA: Find Amsonia rigida in the Flora of North America (if available)
Google: Search Google for Amsonia rigida


Record Modified: 2023-05-25
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