North America Native Plant

Tidestrom’s Beardtongue

Botanical name: Penstemon tidestromii

USDA symbol: PETI2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Tidestrom’s Beardtongue: A Rare Utah Gem Worth Growing Responsibly Meet Tidestrom’s beardtongue (Penstemon tidestromii), one of Utah’s most special native wildflowers. This charming perennial might not be the flashiest plant in the garden center, but it’s got something that makes it truly special – it’s a homegrown Utah original that ...

Rare plant alert!

Region: Conservation status by state

Status: S2S3: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Tidestrom’s Beardtongue: A Rare Utah Gem Worth Growing Responsibly

Meet Tidestrom’s beardtongue (Penstemon tidestromii), one of Utah’s most special native wildflowers. This charming perennial might not be the flashiest plant in the garden center, but it’s got something that makes it truly special – it’s a homegrown Utah original that you won’t find growing wild anywhere else in the world.

What Makes This Plant Special

Tidestrom’s beardtongue is what botanists call a forb – basically a fancy way of saying it’s a soft-stemmed perennial herb without woody tissue. Think of it as the prairie cousin of your garden perennials, perfectly adapted to life in the intermountain West.

As a true Utah native, this beardtongue has spent thousands of years perfecting its survival skills in the challenging desert and semi-desert conditions of the Beehive State. It’s a testament to nature’s ingenuity and a living piece of Utah’s natural heritage.

Where You’ll Find It Growing Wild

Penstemon tidestromii calls Utah home – and only Utah. This endemic species has chosen the sandy soils and desert landscapes of Utah as its exclusive address, making it a truly regional treasure.

A Word About Rarity

Here’s something important to know: Tidestrom’s beardtongue carries a conservation status of S2S3, which means it’s considered rare to uncommon in the wild. This isn’t a plant you’ll stumble across on every hiking trail. If you’re thinking about adding this beauty to your garden, please make sure you’re getting your plants or seeds from reputable, responsible sources that don’t harvest from wild populations.

Why Gardeners Love (and Should Grow) Tidestrom’s Beardtongue

Despite its rarity in nature, Tidestrom’s beardtongue can be a fantastic addition to the right garden. Here’s why:

  • Pollinator magnet: Like most penstemons, it’s a hummingbird favorite, and bees and butterflies can’t resist those tubular blooms
  • Drought champion: Once established, it thrives with minimal water – perfect for xeriscaping
  • Low maintenance: This isn’t a high-maintenance diva; it prefers to be left alone once settled
  • Native authenticity: You’re supporting local ecosystems with a plant that truly belongs

Perfect Garden Settings

Tidestrom’s beardtongue shines in:

  • Native plant gardens
  • Rock gardens with excellent drainage
  • Desert and xeriscape landscapes
  • Wildflower meadows
  • Low-water ornamental beds

Growing Conditions and Care

Success with Tidestrom’s beardtongue comes down to mimicking its natural Utah habitat:

  • Soil: Well-draining, sandy soil is essential – soggy feet will kill this plant faster than you can say desert bloom
  • Sun: Full sun is preferred, though it can tolerate some light shade
  • Water: Drought-tolerant once established; water sparingly
  • Climate: Hardy in USDA zones 4-8, perfectly adapted to temperature swings

Planting and Care Tips

Getting started with Tidestrom’s beardtongue is straightforward if you remember its desert origins:

  • Plant in spring after the last frost
  • Amend heavy clay soils with sand or gravel for drainage
  • Water regularly the first year to establish roots, then reduce watering significantly
  • Avoid fertilizers – this plant prefers lean, natural soils
  • Deadhead spent blooms to encourage more flowering
  • Leave seed heads if you want to collect seeds or feed birds

Supporting Conservation Through Gardening

By choosing to grow Tidestrom’s beardtongue from responsibly sourced plants or seeds, you’re doing more than just adding beauty to your garden. You’re becoming a conservation gardener, helping to preserve Utah’s native plant heritage and supporting the pollinators and wildlife that depend on these regional specialties.

Just remember: always source your plants ethically, never collect from wild populations, and consider sharing seeds with other native plant enthusiasts to help this special species thrive in cultivation while protecting its wild cousins.

Tidestrom’s beardtongue may be rare in nature, but with responsible growing practices, it can become a treasured part of Utah’s gardening future.

Tidestrom’s 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 tidestromii Pennell - Tidestrom's beardtongue

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