North America Native Plant

Austin’s Beardtongue

Botanical name: Penstemon floridus var. austinii

USDA symbol: PEFLA2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Penstemon floridus Brandegee ssp. austinii (Eastw.) D.D. Keck (PEFLA)   

Austin’s Beardtongue: A Desert Jewel for Water-Wise Gardens If you’re looking to add some desert charm to your garden while supporting native wildlife, Austin’s beardtongue (Penstemon floridus var. austinii) might just be the perfect addition to your landscape. This perennial native has been quietly thriving in the American Southwest for ...

Rare plant alert!

Region: Conservation status by state

Status: S3?T2?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Subspecies or variety is 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 ⚘

Austin’s Beardtongue: A Desert Jewel for Water-Wise Gardens

If you’re looking to add some desert charm to your garden while supporting native wildlife, Austin’s beardtongue (Penstemon floridus var. austinii) might just be the perfect addition to your landscape. This perennial native has been quietly thriving in the American Southwest for ages, and it’s ready to bring its unique beauty to your backyard.

What Is Austin’s Beardtongue?

Austin’s beardtongue is a native perennial herb that belongs to the snapdragon family. Don’t let the herb classification fool you though – this isn’t something you’ll be adding to your cooking! In botanical terms, it’s classified as a forb, which simply means it’s a flowering plant that doesn’t develop woody stems like shrubs or trees.

This charming native goes by the scientific name Penstemon floridus var. austinii, and you might occasionally see it listed under its synonym Penstemon floridus Brandegee ssp. austinii. But let’s stick with the friendlier common name – Austin’s beardtongue has such a nice ring to it!

Where Does It Call Home?

Austin’s beardtongue is a true child of the desert Southwest, naturally occurring in California and Nevada. It’s perfectly adapted to the challenging conditions of the Mojave Desert region, where it has learned to thrive despite intense heat, minimal rainfall, and rocky soils.

A Note About Rarity

Before we dive into growing tips, there’s something important to mention. Austin’s beardtongue has a global conservation status that suggests it may be somewhat uncommon in the wild. If you’re interested in adding this beauty to your garden, please make sure to source your plants or seeds from reputable nurseries that practice responsible collection methods. Never collect plants from wild populations.

Why Grow Austin’s Beardtongue?

There are plenty of reasons to fall in love with this desert native:

  • Water-wise wonder: Once established, this plant requires minimal irrigation, making it perfect for drought-tolerant landscapes
  • Pollinator magnet: The tubular flowers are especially attractive to hummingbirds and native bees
  • Low maintenance: This tough perennial can handle neglect better than most houseplants handle attention
  • Native credentials: Supporting local ecosystems never goes out of style
  • Unique appeal: It’s not your typical garden center plant, so you’ll have something special and conversation-worthy

Perfect Garden Companions

Austin’s beardtongue shines brightest in:

  • Desert and xeriscape gardens
  • Rock gardens and naturalized landscapes
  • Native plant gardens focusing on regional flora
  • Pollinator gardens in appropriate climate zones

It pairs beautifully with other drought-tolerant natives and can serve as an accent plant or part of a larger native plant community.

Growing Conditions

The secret to success with Austin’s beardtongue is thinking like a desert plant:

  • Sun exposure: Full sun is essential – this plant craves those intense rays
  • Soil: Well-draining, sandy or rocky soil is crucial. Heavy clay or water-retentive soils are a no-go
  • Water: Drought-tolerant once established, but appreciates occasional deep watering during extreme dry spells
  • Climate: Best suited for USDA hardiness zones 8-10, where it can handle both heat and occasional cold snaps

Planting and Care Tips

Getting Austin’s beardtongue established is fairly straightforward if you follow these guidelines:

  • Drainage is everything: If your soil doesn’t drain well naturally, consider raised beds or adding plenty of coarse sand and gravel
  • Plant in fall: This gives the roots time to establish before the intense summer heat
  • Water wisely: Provide regular water the first year, then gradually reduce as the plant establishes
  • Avoid fertilizer: Desert natives prefer lean soils and can actually be harmed by rich fertilizers
  • Mulch carefully: If you mulch, use gravel or decomposed granite rather than organic mulches that retain moisture

The Bottom Line

Austin’s beardtongue is a wonderful choice for gardeners who want to embrace water-wise gardening while supporting native ecosystems. Yes, it requires specific conditions, but if you can provide excellent drainage and full sun, you’ll be rewarded with a unique, low-maintenance perennial that attracts pollinators and adds authentic desert character to your landscape.

Just remember to source your plants responsibly and be patient as they establish. Like many desert natives, Austin’s beardtongue rewards those who understand and respect its natural needs. Give it the right conditions, and this remarkable plant will thrive for years to come.

Austin’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 floridus Brandegee - Panamint beardtongue

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