Penstemon venustus ( Venustus Penstemon )
This short - lived perennial , often address as an annual in cold climates , is grown primarily for it ’s pretty , vasiform , two - lipped heyday ( all colors but blue-blooded and yellow ) . The leaves are narrow and lance shaped ( up to 3 inches long ) . Penstemons like wry but racy soil . They are summer bloomers , pull hummingbird , and will keep your garden exciting after the spring colors have faded away ....