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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Agalinis aspera

Agalinis aspera (Douglas ex Benth.) Britton

Rough False Foxglove, Rough Foxglove, Tall False Foxglove

Scrophulariaceae (Figwort family)

Synonym(s): Gerardia aspera

USDA Symbol: AGAS2

USDA Native Status: L48 (N), CAN (N)


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Plant Characteristics

Duration: Annual
Habit: Herb
Fruit Type: Capsule
Size Notes: Up to about 40 inches tall.

Bloom Information

Bloom Color: Pink , Purple
Bloom Time: Jul , Aug , Sep
Bloom Notes: Pink to purple with yellow lines and dark red spots in throat.


USA: AR , IA , IL , KS , MN , MO , ND , NE , OK , SD , TX , WI
Canada: MB
Native Habitat: Tallgrass or loess hills or upland prairies, dry rocky or sandy soils over limestone, limestone bluffs, gravelly moraines.

National Wetland Indicator Status

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.

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 26 - Minnesota Wildflowers: a field guide to the flora of Minnesota (2009)
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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


Record Modified: 2020-11-09
Research By: CBR

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