North America Native Plant

Pine Valley Penstemon

Botanical name: Penstemon pinorum

USDA symbol: PEPI4

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Pine Valley Penstemon: A Rare Gem Worth Protecting If you’re drawn to rare and extraordinary native plants, the Pine Valley penstemon (Penstemon pinorum) might just capture your heart. This little-known treasure is one of Utah’s most precious botanical gems, but before you start planning where to plant it, there’s something ...

Rare plant alert!

Region: Conservation status by state

Status: S1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Pine Valley Penstemon: A Rare Gem Worth Protecting

If you’re drawn to rare and extraordinary native plants, the Pine Valley penstemon (Penstemon pinorum) might just capture your heart. This little-known treasure is one of Utah’s most precious botanical gems, but before you start planning where to plant it, there’s something important you need to know about its conservation status.

A Plant on the Edge

Pine Valley penstemon holds a Global Conservation Status of S1, which means it’s critically imperiled. With typically five or fewer known occurrences and very few remaining individuals (fewer than 1,000), this perennial forb is dancing on the edge of extinction. While this makes it incredibly special, it also means we need to be extra thoughtful about how we interact with this species.

Where in the World?

This endemic beauty calls only one place home: the Pine Valley Mountains of southwestern Utah. You won’t find it growing wild anywhere else on Earth, which makes it both remarkable and vulnerable. Its entire existence is tied to this specific mountain ecosystem, where it has adapted to very particular conditions over thousands of years.

What Makes It Special?

As a native perennial forb, Pine Valley penstemon produces those classic tubular penstemon flowers that pollinators absolutely adore. The blooms typically display lovely shades of pink to purple, creating a delicate display on upright stems. Like other penstemons, it’s built for efficiency – attracting hummingbirds, bees, and butterflies while maintaining a compact, tidy growth habit that’s perfect for challenging growing conditions.

Growing Pine Valley Penstemon Responsibly

Here’s the crucial part: if you’re considering adding this rare beauty to your garden, you must source it responsibly. Never collect from wild populations – this could push an already struggling species closer to extinction. Only obtain plants or seeds from reputable native plant nurseries that can verify their material comes from ethical propagation programs.

Ideal Growing Conditions

If you can source Pine Valley penstemon responsibly, here’s how to keep it happy:

  • Drainage is everything: This mountain native demands excellent drainage and will quickly succumb to soggy conditions
  • Sun exposure: Provide full sun to partial shade, mimicking its natural alpine environment
  • Water wisely: Once established, it prefers dry conditions – overwatering is often fatal
  • Soil type: Well-draining, rocky or sandy soils work best
  • Climate: Hardy in USDA zones 4-8, well-adapted to temperature extremes

Perfect Garden Settings

Pine Valley penstemon shines in:

  • Rock gardens where drainage is naturally excellent
  • Alpine or mountain-themed landscapes
  • Xeriscaping projects focused on water conservation
  • Native plant collections dedicated to rare species
  • Conservation gardens with educational purposes

The Pollinator Connection

Despite its rarity, Pine Valley penstemon punches above its weight when it comes to supporting pollinators. Those tubular flowers are perfectly designed for hummingbirds, while also welcoming various bee species and butterflies. In its native habitat, it likely plays a crucial role in the local ecosystem’s pollinator network.

A Conservation Opportunity

Growing Pine Valley penstemon responsibly isn’t just about adding a unique plant to your garden – it’s about participating in conservation. Every ethically grown plant represents hope for this species’ future. Home gardeners who successfully cultivate rare natives contribute to genetic preservation and help maintain viable populations outside of wild habitats.

The Bottom Line

Pine Valley penstemon is undoubtedly a special plant that would make a meaningful addition to the right garden. However, its critically imperiled status means this isn’t a plant for casual gardening. If you’re passionate about rare native species and committed to responsible sourcing, this little penstemon offers a unique opportunity to participate in plant conservation while enjoying a truly extraordinary garden specimen.

Remember: the goal isn’t just to grow rare plants, but to help ensure they continue to exist for future generations. With Pine Valley penstemon, every responsibly grown plant is a small victory for conservation.

Pine Valley Penstemon

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Penstemon Schmidel - beardtongue

Species

Penstemon pinorum L.M. Shultz & J.S. Shultz - Pine Valley penstemon

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA