Rock Garden Plants
Heterotheca ballardii (Rydb.) G.L.Nesom trib. Astereae 
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FamilyASTERACEAE
Genus speciesHeterotheca ballardii (Rydb.) G.L.Nesom trib. Astereae
BibliographyPhytoneuron 2020-68: 86 (2020)
Native Rangec. Canada to nw & nc. USA
Primary BiomeTemperate
Habitatsteppes
Altitude300-2300m
Descriptionstems erect, strigose, eglandular, lower stem leaves oblong, 2-4cm, flat, strigose, eglandular, capitula numerous in corymb, involucre broadly campanulate, ligules 1cm
Size15-35cm
Coloryellow
Bloomsummer
Ca
Typeperennial
Cultivationsunny site with a deep, drained soil
alpine house, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 16-21°C
cuttings in spring and late summer
SynonymsChrysopsis ballardii Rydb.
Heterotheca villosa var. ballardii (Rydb.) Semple
Territory7 Northern America
     71 Western Canada (MAN Manitoba, SAS Saskatchewan)
     73 Northwestern U.S.A. (MNT Montana)
     74 North-Central U.S.A. (MIN Minnesota, NDA North Dakota, NEB Nebraska, SDA South Dakota, WIS Wisconsin)
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