North America Native Plant

Larchleaf Beardtongue

Botanical name: Penstemon laricifolius laricifolius

USDA symbol: PELAL7

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Penstemon laricifolius Hook. & Arn. var. laricifolius (PELAL12)   

Larchleaf Beardtongue: A Hidden Gem for Mountain Gardens If you’re looking for a tough, drought-tolerant native that can handle challenging conditions while attracting pollinators, let me introduce you to larchleaf beardtongue (Penstemon laricifolius laricifolius). This lesser-known member of the Penstemon family might just be the perfect addition to your rock ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3T4: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘

Larchleaf Beardtongue: A Hidden Gem for Mountain Gardens

If you’re looking for a tough, drought-tolerant native that can handle challenging conditions while attracting pollinators, let me introduce you to larchleaf beardtongue (Penstemon laricifolius laricifolius). This lesser-known member of the Penstemon family might just be the perfect addition to your rock garden or xeriscape.

What Makes Larchleaf Beardtongue Special?

Larchleaf beardtongue gets its name from its distinctive narrow, linear leaves that resemble the needles of a larch tree. This perennial forb is a true native of the American Northwest, naturally occurring in Idaho, Montana, and Wyoming. As a herbaceous perennial, it dies back to the ground each winter but returns reliably each spring.

This plant grows in Idaho, Montana, and Wyoming, thriving in the challenging mountain conditions of these states.

Garden Appeal and Design Role

Don’t let its modest size fool you – larchleaf beardtongue packs a punch in the garden. Its tubular flowers, typically in shades of purple to blue, create a lovely display that’s perfectly sized for rock gardens and alpine plantings. The compact growth form makes it an excellent choice for:

  • Rock gardens and scree slopes
  • Xeriscapes and drought-tolerant landscapes
  • Native plant gardens
  • Naturalized mountain meadow settings

Pollinator Powerhouse

Like other members of the Penstemon family, larchleaf beardtongue is a pollinator magnet. Its tubular flowers are perfectly designed to attract native bees and other beneficial insects. The flower shape and color also make it appealing to hummingbirds, adding movement and life to your garden.

Growing Conditions and Care

This mountain native is refreshingly low-maintenance once you understand its needs. Larchleaf beardtongue thrives in:

  • Soil: Well-draining soil is absolutely essential – soggy conditions are this plant’s enemy
  • Sun: Full sun to partial shade
  • Water: Drought tolerant once established; minimal supplemental watering needed
  • Climate: Hardy in USDA zones 4-7, perfect for cooler mountain climates

Planting and Care Tips

Spring is the ideal time to plant larchleaf beardtongue. Here are some key tips for success:

  • Ensure excellent drainage – consider raised beds or slopes if your soil is heavy
  • Plant in spring after the last frost
  • Water regularly the first season to establish roots, then reduce watering
  • Avoid overwatering – this plant prefers to be on the dry side
  • Minimal fertilization needed; too much can actually harm the plant

A Note About Rarity and Responsible Gardening

Larchleaf beardtongue has a conservation status that suggests it may be uncommon in parts of its range. If you’re interested in growing this plant, it’s important to source it responsibly from reputable native plant nurseries rather than collecting from the wild. This ensures wild populations remain undisturbed while allowing you to enjoy this beautiful native in your garden.

Is Larchleaf Beardtongue Right for Your Garden?

This native gem is perfect for gardeners who:

  • Live in mountain or high-elevation areas
  • Want low-maintenance, drought-tolerant plants
  • Are creating pollinator habitat
  • Enjoy rock gardens or alpine plantings
  • Prefer native plants over non-native alternatives

While it may not be the showiest plant in your garden, larchleaf beardtongue offers reliable beauty, supports local wildlife, and connects you to the natural heritage of the American Northwest. For the right garden in the right conditions, it’s a treasure worth growing.

Larchleaf 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 laricifolius Hook. & Arn. - larchleaf beardtongue

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