Here I am offering Seeds From Penstemon cobaea, also known as Showy Beardtongue, Foxglove, Fairy Thimbles, Dewflower, Wild Belladonna, and Beardtongue. Growing up to two feet tall this plant likes to live in full sun. In the beginning of Summer Penstemon cobaea has white, pink, and violet blossoms. This plant is a larval host for the Baltimore Checkerspot, Chalcedon Checkerspot, Dotted Checkerspot, Arachne Checkerspot, and Ediths Checkerspot butterflies. USDA Hardiness Zones 4 to 10.