Penstemon angustifolius is a relatively short species with lavender-blue flowers in early summer. It's perfect for rock gardens or the edge of a path where you can admire the flowers up close. Also suitable for containers.
Like most species, Penstemon angustifolius overwinters best when it has very well-drained soil. Drought tolerant .
Sowing Penstemon angustifolius Seeds
Start penstemon seeds indoors in late winter. Barely cover the seeds with soil, then refrigerate for 8 weeks. Full sun.