More images of Cascade penstemon
Cascade penstemon Overview
This species is very frost-hardy, it will produce broad, lance-shaped leaves with serrated edges. The flowers bloom in dense clusters they are tubular to bell-shaped, deep blue to purple and open from late summer.
How to propagate Cascade penstemon
You can propagate by division in the spring or from seed in the spring or autumn.
Other uses of Cascade penstemon
Rock garden, cutting bed, border, flower arranging Suitable for coastal conditions.