Penstemon digitalis - Plant Finder - Missouri Botanical Garden
https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=g590
Noteworthy Characteristics. Penstemon digitalis, commonly called foxglove beardtongue, is a clump-forming, Missouri-native perennial which typically grows 3-5' tall and occurs in prairies, fields, wood margins, open woods and along railroad tracks.Features white, two-lipped, tubular flowers (to 1.25" long) borne in panicles atop erect, rigid stems.
DA: 20 PA: 29 MOZ Rank: 40