# Hot Rock Penstemon (*Penstemon deustus*)

The Hot Rock Penstemon is a colorful flower that loves to grow in rocky places. Its bright blooms attract bees and butterflies, making it a cheerful sight in nature!

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 3
- **Habitat:** Mountain regions

![Hot Rock Penstemon](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Penstemondeustus.jpg&width=800)

Photo: JW Stockert, Public domain · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Penstemondeustus.jpg)

## Appearance

The Hot Rock Penstemon has upright stems adorned with clusters of small, tubular flowers, typically creamy white to pale yellow, sometimes with faint purple streaks. Its narrow, slightly hairy leaves often have reddish margins, adding a subtle splash of color.

## Taxonomy

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

## Interesting facts

- Its scientific name, 'deustus,' actually means 'scorched' – perfect for a hot rock dweller!
- Like many penstemons, it has a fuzzy, sterile 'beardtongue' inside its flower – how quirky!
- The unique shape of its flower provides a perfect landing pad for specific buzzing bee visitors!
- You can find this tough plant growing on volcanic ash, showing how incredibly adaptable it is!

## Special abilities

- **Super Roots:** Hot Rock Penstemon has deep, fibrous roots that help it find water and nutrients in very dry, rocky soil.
- **Sun Shield:** It can have fuzzy or leathery leaves that reflect sunlight, protecting the plant from intense heat and water loss.
- **Rock Dweller:** This plant can extract nutrients from poor, mineral-rich soils, allowing it to thrive where other plants cannot survive.

## Measurements & details

- **Height:** 10-60 cm
- **Spread:** 20-40 cm
- **Flower Size:** 1-2.5 cm
- **Bloom Season:** Late spring to mid-summer
- **Edible:** No
- **Toxicity:** None
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Pollinates:** Two-form Bumblebee (*Bombus bifarius*) — Efficiently gathers nectar and pollen.
- **Eaten by:** [Mule Deer](https://www.snappit.app/explore/mule-deer) (*Odocoileus hemionus*) — May browse on its leaves and stems.
- **Pollinates:** [Alfalfa Leafcutter Bee](https://www.snappit.app/explore/alfalfa-leafcutter-bee) (*Megachile rotundata*) — Collects pollen for its nests.

## Traits

- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [Summer Blooming](https://www.snappit.app/explore/traits/summer-blooming): Summer blooming plants produce their flowers during the summer season, often providing vibrant color when many other plants have finished.
- [Tube Flower](https://www.snappit.app/explore/traits/tube-flower): A tube flower has petals fused together at the base, forming a distinct tubular structure that typically holds nectar deep within.
- [Drought Tolerant](https://www.snappit.app/explore/traits/drought-tolerant): Drought-tolerant plants can survive and flourish in conditions with limited water availability.
- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.
- [Mountain](https://www.snappit.app/explore/traits/mountain): This habitat trait identifies species found in mountainous regions, characterized by high elevation, steep slopes, and varying climate zones.

## Collections

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

## Safety

**Danger:** 1/5 · Very low

Always look but don't touch flowers in the wild to keep them safe.

## Frequently Asked Questions

### How to identify Hot Rock Penstemon?

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 Hot Rock Penstemon?

10-60 cm

### How wide does Hot Rock Penstemon spread?

20-40 cm

### How big are the flowers on Hot Rock Penstemon?

1-2.5 cm

### When does Hot Rock Penstemon bloom?

Late spring to mid-summer

### Is Hot Rock Penstemon edible?

No

### Is Hot Rock Penstemon toxic?

None

### What is Hot Rock Penstemon's lifecycle?

Perennial

## Where to spot

- [Craters of the Moon National Monument and Preserve](https://www.snappit.app/guides/places/craters-of-the-moon-national-monument-and-preserve) — Idaho, US · National Park
- [Oregon Caves National Monument and Preserve](https://www.snappit.app/guides/places/oregon-caves-national-monument-and-preserve) — Oregon, US · National 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: [Hot Rock Penstemon: Facts & Places to See — Snappit](https://www.snappit.app/explore/hot-rock-penstemon)
