Penstemon 'Onyx and Pearls' has very dark foliage paired with very pale pink to white blooms. A cultivar of P. digitalis, 'Onyx and Pearls' has lance-shaped leaves and erect spikes of tubular flowers. An exceptional, evergreen perennial, Penstemon 'Onyx and Pearls' is darker, fuller and has lighter blooms than 'Blackbeard'.
Commonly referred to as Beardtongue, Penstemon is an extensive genus of flowering plants found in North America. Penstemon digitalis is native to most of the eastern two-thirds of the U.S.
Penstemon digitalis 'Onyx and Pearls' prefers full sun and well-drained, gritty or sandy soil, but it should be kept moist until established. This plant is heat and humidity tolerant as well as cold hardy. Tolerant of drought and coastal conditions.