Hansen's Northwest Native Plant Database


Penstemon serrulatus (Cascade Penstemon, Coast Penstemon)

Kingdom

 Plantae Plants

Subkingdom

 Tracheobionta Vascular plants

Superdivision

 Spermatophyta Seed plants

Division

 Magnoliophyta Flowering plants

Class

 Magnoliopsida Dicotyledons

Subclass

 Asteridae

Order

 Scrophulariales

Family

 Scrophulariaceae Figwort family

Genus

 Penstemon Schmidel beardtongue

Species

 Penstemon serrulatus Menzies ex Sm. serrulate penstemon

Cascade Penstemon is found in moist low elevations along the coastal regions of Alaska, British Columbia, Washington, and Oregon.

This is a medium to tall penstemon; and true to the name (serrulatus), the thin medium green leaves are serrated along the margins.

Cascade Penstemon will develop into a cold hardy sub-shrub in UDSA zones 5-8.

The trumpet shaped flowers tend to be clustered atop the long stems and are blue to lavender sometimes with a yellow beard.

This penstemon thrives near the waters edge and the moist woodland setting so it will do well in a sunny garden situation that is given water.

           
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