North America Native Plant

Bridger Mountain Alumroot

Botanical name: Heuchera flabellifolia var. subsecta

USDA symbol: HEFLS

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Bridger Mountain Alumroot: A Rare Native Gem Worth Discovering If you’re a native plant enthusiast always on the lookout for something unique, Bridger Mountain alumroot might just pique your interest. This lesser-known member of the alumroot family represents one of nature’s more specialized creations, quietly thriving in the mountainous regions ...

Bridger Mountain Alumroot: A Rare Native Gem Worth Discovering

If you’re a native plant enthusiast always on the lookout for something unique, Bridger Mountain alumroot might just pique your interest. This lesser-known member of the alumroot family represents one of nature’s more specialized creations, quietly thriving in the mountainous regions of the American West.

Meet the Bridger Mountain Alumroot

Scientifically known as Heuchera flabellifolia var. subsecta, Bridger Mountain alumroot is a perennial forb that belongs to the saxifrage family. As a forb, it’s an herbaceous plant without woody tissue above ground, storing its energy in underground parts to return year after year. This hardy little survivor has made its home in some pretty challenging mountain terrain.

Where You’ll Find It Growing Wild

This native beauty has a rather exclusive address, naturally occurring in just three western states: Idaho, Nevada, and Wyoming. Its limited range suggests it’s adapted to very specific conditions found in these mountainous regions.

Why Consider Growing Bridger Mountain Alumroot?

Here’s where things get interesting – and a bit challenging. As a native plant enthusiast, you might be drawn to this species for several reasons:

  • It’s a true native to the western United States
  • As part of the alumroot family, it likely shares the attractive foliage characteristics that make other Heuchera species popular
  • It represents biodiversity and supports local ecosystem health
  • It’s adapted to challenging mountain conditions, potentially making it quite hardy

The Challenge: Limited Cultivation Information

Here’s the honest truth about Bridger Mountain alumroot – it’s not your typical garden center find. This variety is so specialized and rare in cultivation that detailed growing information is extremely limited. Most of what we know about growing alumroots comes from their more common cousins, but each variety can have its own specific needs.

What We Can Infer About Growing Conditions

Based on its natural habitat in Idaho, Nevada, and Wyoming mountains, Bridger Mountain alumroot likely prefers:

  • Well-draining, rocky or gravelly soils
  • Cooler mountain climates with significant seasonal temperature variations
  • Potential tolerance for drought conditions
  • Possibly some protection from intense afternoon sun

Should You Try Growing It?

If you’re up for a gardening adventure and live in a suitable climate, this native plant could be a fascinating addition to a specialized rock garden or native plant collection. However, proceed with caution and responsibility:

  • Only source plants from reputable native plant nurseries
  • Never collect from wild populations
  • Be prepared for some trial and error in cultivation
  • Consider it an experimental addition rather than a sure thing

Alternative Native Options

If Bridger Mountain alumroot proves too elusive or challenging, consider these more readily available native alternatives:

  • Coral Bells (Heuchera sanguinea) for similar foliage appeal
  • Other regional native Heuchera species
  • Native sedums for rock garden conditions
  • Regional wildflowers adapted to your specific area

The Bottom Line

Bridger Mountain alumroot represents the exciting frontier of native plant gardening – species that are ecologically important but not yet well-understood in cultivation. While it might not be the easiest plant to grow, it offers the adventurous gardener a chance to work with a truly unique native species. Just remember to approach it with patience, respect for its wild origins, and a spirit of experimentation.

If you do decide to take on this challenge, consider documenting your experience. The native plant community could benefit from your cultivation observations, helping future gardeners successfully grow this intriguing mountain native.

Bridger Mountain Alumroot

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Rosales

Family

Saxifragaceae Juss. - Saxifrage family

Genus

Heuchera L. - alumroot

Species

Heuchera flabellifolia Rydb. - Bridger Mountain alumroot

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