Penstemon tubaeflorus has pure white flowers on tall stems in early summer. It is native to the Great Plains, so it tolerates a fair amount of moisture. This species is a lovely garden plant that looks good with everything. Nice for cutting .
Also known as White Plains Beardtongue. Hardy perennial in zones 4-9.
Sowing Penstemon tubaeflorus Seeds
Start penstemon seeds indoors in late winter. Barely cover the seeds with soil, then refrigerate for 6 weeks. Full sun.