Cascade Penstemon | Penstemon serrulatus - Benton Soil And Water Conservation District

Cascade Penstemon | Penstemon serrulatus

The image features a cluster of vibrant purple flowers growing among green ferns and foliage in a natural setting.

A cluster of vibrant purple flowers grows amidst green foliage in a garden setting.

A cluster of delicate purple flowers with elongated petals and green leaves, showcasing vibrant colors in bloom.

Easy to grow garden favorite that attracts hummingbirds with its abundant deep blue to pink tubular flowers in late spring to summer.

Plant Details

Habitats	Riparian Forests, Bottomland Forests, Wet Prairie
Phenology	Perennial; flowering May-August
Mature Height	8 - 28"
Shade Preference	Part sun
Soil Tolerance	Moist, well-drained soil

A close-up of a bee collecting nectar from delicate pink flowers, showcasing nature's pollination process.

Native Plant Database

We have a large searchable database of plants that are native to the Willamette Valley and other parts of Benton County. View images and filter the list by plant characteristics

A cluster of unique, dark-colored flowers among vibrant green foliage and other colorful wildflowers.

Why Plant Native Plants?

There are so many good reasons to plant native plants!

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Native Plant Sales

We offer two native plant sales per year with a variety of species from bulbs and seeds to containers, starts, and bare-roots.

A lush green riparian forest with tall red alder trees and a rocky stream running through it.

Riparian Forests

Riparian areas are defined by NRCS as ecosystems that occur along waterways and water bodies. They serve as the transition between aquatic and terrestrial zones.

Bottomland Forests

Bottomland forests are generally used to describe forests which are comprised of both hardwood and softwood tree species that occur on low-elevation, alluvial floodplains or lower terraces of rivers…

Wet Prairie

Wet prairies were once a common habitat in the floodplain of the Willamette River. These habitats occur on poorly drained clay soils or shallow soils above bedrock. Seasonal flooding creates anaerobic…