Beardtongue, Long Sepaled #1 (Penstemon calycosus)

Lovely inflorescences of lavender flowers with white throats in early summer for 3-4 weeks. Nectar source for long-tongued bees, hummingbirds and sphinx moths. Host to 8 species of butterflies and moths. Top dies back after flowering.  Basal foliage persists year round. Average to moist soil. 1-3′ Full sun. Zone 5