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A picture of a Penstemon serrulatus

Penstemon serrulatus

Penstemon serrulatus

Full Sun
Moderate watering
Frost Hardy

8a

USDA zone

-12°C

Minimum temperature

Expected size

Height
Spread

60cm

Max

30cm

40cm

Min

15cm

Flowering

  • spring
  • summer
  • autumn
  • winter

More images of Penstemon serrulatus

Serrulate Penstemon, Cascade Beardtongue, Coast Penstemon
A photo of Penstemon serrulatus

Penstemon serrulatus 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.

Common problems with Penstemon serrulatus

How to propagate Penstemon serrulatus

Division

You can propagate by division in the spring or from seed in the spring or autumn.

Seed

Other uses of Penstemon serrulatus

Rock garden, cutting bed, border, flower arranging Suitable for coastal conditions.