North America Native Plant

White River Beardtongue

Botanical name: Penstemon scariosus

USDA symbol: PESC5

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

White River Beardtongue: A Hidden Gem for Western Gardens If you’re looking for a tough, beautiful native plant that can handle whatever Mother Nature throws at it, meet the White River beardtongue (Penstemon scariosus). This unsung hero of the American West might just become your new favorite perennial – especially ...

White River Beardtongue: A Hidden Gem for Western Gardens

If you’re looking for a tough, beautiful native plant that can handle whatever Mother Nature throws at it, meet the White River beardtongue (Penstemon scariosus). This unsung hero of the American West might just become your new favorite perennial – especially if you’re tired of babying finicky flowers that wilt at the first sign of drought.

What Makes White River Beardtongue Special?

White River beardtongue is a true native of the American West, naturally occurring in Colorado, Utah, and Wyoming. As a perennial forb (that’s garden-speak for a non-woody flowering plant), it comes back year after year without the fuss of replanting. Think of it as the reliable friend of the plant world – always there when you need it, never asking for much in return.

This hardy plant produces stunning clusters of tubular white to pale pink flowers that bloom from late spring into early summer. The two-lipped flowers are classic penstemon style – elegant, distinctive, and absolutely irresistible to pollinators.

Why Your Garden (and Local Wildlife) Will Love It

White River beardtongue is like a five-star restaurant for pollinators. Hummingbirds can’t resist those tubular flowers, while native bees and butterflies line up for the nectar buffet. If you’re trying to create a pollinator-friendly space, this plant definitely deserves a spot on your roster.

From a design perspective, White River beardtongue shines in:

  • Rock gardens where its drought tolerance really shows off
  • Native plant landscapes for authentic regional character
  • Xeriscaping projects where water-wise gardening is the goal
  • High-altitude gardens where many plants struggle to thrive

Growing Conditions: Less is More

Here’s where White River beardtongue really wins points – it’s incredibly low-maintenance. This plant actually prefers to be a little neglected, which makes it perfect for busy gardeners or anyone who wants beauty without the constant attention.

Light: Full sun is best, though it can tolerate some light shade

Soil: Well-draining soil is non-negotiable. It even prefers alkaline conditions and doesn’t mind poor soil

Water: Drought-tolerant once established – overwatering is more likely to kill it than underwatering

Climate: Hardy in USDA zones 4-8, perfect for areas with cold winters and hot, dry summers

Planting and Care Tips

Getting White River beardtongue established is refreshingly straightforward:

  • Timing: Plant in spring or fall when temperatures are moderate
  • Spacing: Give plants room to breathe – good air circulation prevents issues
  • Watering: Water regularly the first growing season, then step back and let nature take over
  • Maintenance: Deadhead spent flowers to encourage more blooms, but honestly, this plant practically takes care of itself

The biggest mistake you can make with White River beardtongue? Killing it with kindness. Rich, constantly moist soil is a recipe for root rot. This plant evolved to thrive in tough conditions, so let it do what it does best.

Is White River Beardtongue Right for Your Garden?

If you garden in Colorado, Utah, or Wyoming, absolutely yes! This native beauty will give you gorgeous flowers, support local wildlife, and ask for almost nothing in return. It’s particularly perfect if you’re working with challenging conditions like poor soil, limited water, or high altitude.

For gardeners outside its native range, you might want to explore other penstemon species that are native to your area. Every region has its own beardtongue treasures that will perform even better than non-native alternatives.

White River beardtongue proves that sometimes the best garden plants are the ones that have been quietly thriving in your backyard all along – you just need to give them a chance to shine.

White River Beardtongue

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 scariosus Pennell - White River beardtongue

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