# Cascade Beardtongue (*penstemon serrulatus*)

The Cascade Beardtongue is a beautiful wildflower that blooms with vibrant purple flowers. It loves to grow in sunny areas and attracts lots of buzzing bees!

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 0/5 · No known danger
- **Snaps:** 1
- **Habitat:** Mountain meadows and rocky slopes in the Pacific Northwest.
- **Also known as:** Mountain Penstemon, Purple Penstemon

![Cascade Beardtongue](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Penstemon_serrulatus_1197.JPG&width=800)

Photo: Walter Siegmund (talk), CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Penstemon_serrulatus_1197.JPG)

## Appearance

The Cascade Beardtongue has vibrant deep blue to rich purple, trumpet-shaped flowers that cluster atop upright stems. Its glossy, green leaves are oval to lance-shaped, providing a lush backdrop in its mountain habitat. A distinctive fuzzy, sterile stamen inside the flower gives it the 'beardtongue' name.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Lamiales
- **Family:** Plantaginaceae
- **Genus:** Penstemon

## Interesting facts

- Its scientific name \*Penstemon\* means 'five stamens' in ancient Greek!
- Some of its flowers can change color slightly as they age, getting even deeper purple!
- The plant's 'beardtongue' is actually a sterile, hairy stamen (flower part).
- This tough plant loves to grow on sunny mountain slopes and rocky ledges!

## Special abilities

- **Pollinator Beacon:** Cascade Beardtongue has bright, tubular flowers that act like a visual target, guiding hungry bees and hummingbirds to its nectar.
- **Mountain Toughness:** Cascade Beardtongue can thrive in challenging mountain environments, using a robust root system to anchor itself in rocky soil.
- **Fuzzy Guide:** Cascade Beardtongue has a 'beardtongue' (fuzzy stamen) inside its flower that gently guides pollinators to the pollen.

## Measurements & details

- **Height:** 30-90 cm
- **Spread:** 30-60 cm
- **Flower Size:** 2-3 cm
- **Bloom Season:** Summer
- **Edible:** No
- **Toxicity:** None
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Pollinates:** Black-tailed Bumblebee (*Bombus melanopygus*) — collects nectar and pollen
- **Pollinates:** [Rufous Hummingbird](https://www.snappit.app/explore/rufous-hummingbird) (*Selasphorus rufus*) — feeds on its nectar
- **Eaten by:** [Mule Deer](https://www.snappit.app/explore/mule-deer) (*Odocoileus hemionus*) — browses its foliage

## Traits

- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [Herbivorous](https://www.snappit.app/explore/traits/herbivorous): This trait characterizes organisms whose diet consists entirely or primarily of plant material.
- [Forest](https://www.snappit.app/explore/traits/forest): Forest habitats are terrestrial environments dominated by dense tree cover, supporting a high diversity of plant and animal life.
- [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.
- [Pollinator](https://www.snappit.app/explore/traits/pollinator): Describes organisms that transfer pollen, enabling the fertilization and reproduction of plants.

## Collections

- [Plants](https://www.snappit.app/explore/collections/plants)

## Safety

**Danger:** 0/5 · No known danger

No special safety notes yet.

## Frequently Asked Questions

### How to identify Cascade Beardtongue?

Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details.

### How tall is Cascade Beardtongue?

30-90 cm

### How wide does Cascade Beardtongue spread?

30-60 cm

### How big are the flowers on Cascade Beardtongue?

2-3 cm

### When does Cascade Beardtongue bloom?

Summer

### Is Cascade Beardtongue edible?

No

### Is Cascade Beardtongue toxic?

None

### What is Cascade Beardtongue's lifecycle?

Perennial

## Where to spot

- [White River Entrance](https://www.snappit.app/guides/places/white-river-entrance) — Washington, US · Historic District
- [Nahatlatch Provincial Park and Protected Area](https://www.snappit.app/guides/places/nahatlatch-provincial-park-and-protected-area) — British Columbia, CA · State Park

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

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Source: [Cascade Beardtongue: Facts & Places to See — Snappit](https://www.snappit.app/explore/cascade-beardtongue)