Grinnell's Penstemon, Grinnell's Beard Tongue
Type: Herbaceous Shrub, 2.5'h x 3'w
Flowers: Spring to Fall
Flower Color: Lavender, Purple
Likes: Full Sun
Large showy, perennial Penstemon. Attracts butterflies and hummindbirds. Flowers spring well into summer.
Similar to Penstemon spectabilis.
Plant as an accent or in small groups. May need late summer pruning after a few years. Very drought tolerant
Does not need summer irrigation after established.
Needs good drainage.