Penstemon grandiflorus "rose"

Penstemon grandiflorus "rose" x murrayanus

Penstemon hirsutus

Penstemon hirsutus 'Pygmaeus'

Penstemon ovatus

Penstemon pachyphyllus

Penstemon pallidus

Penstemon pinifolius

Penstemon serrulatus 'Albus'

Penstemon smallii 'Violet Dusk'

Penstemon sp.

Penstemon whippleanus 'Chocolate Drop'

Penstemon wilcoxii

Penstemon x mexicali 'Balmiblavbi'

Penstemon x mexicali 'Balmibred'

Penstemon x mexicali 'Red Rocks'