North America Native Plant

Arkansas Alumroot

Botanical name: Heuchera villosa var. arkansana

USDA symbol: HEVIA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Heuchera arkansana Rydb. (HEAR12)   

Arkansas Alumroot: A Rare Native Treasure Worth Protecting Meet Arkansas alumroot (Heuchera villosa var. arkansana), a special little native plant that’s as rare as it sounds. If you’re the type of gardener who gets excited about growing something truly unique and regionally important, this perennial forb might just be your ...

Rare plant alert!

Region: Arkansas

Status: S5T3Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ 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. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘ 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 ⚘

Region: Arkansas

Arkansas Alumroot: A Rare Native Treasure Worth Protecting

Meet Arkansas alumroot (Heuchera villosa var. arkansana), a special little native plant that’s as rare as it sounds. If you’re the type of gardener who gets excited about growing something truly unique and regionally important, this perennial forb might just be your next gardening adventure—though it comes with some important considerations.

What Makes Arkansas Alumroot Special?

This native beauty belongs to the Heuchera family, those beloved plants gardeners often call coral bells. But unlike its more common cousins, Arkansas alumroot is found in just one state—you guessed it, Arkansas! It’s also known by the scientific synonym Heuchera arkansana, but regardless of what you call it, this plant is genuinely special.

As a perennial forb, Arkansas alumroot lacks the woody stems of shrubs and trees, instead growing as an herbaceous plant that returns year after year. Its growth habit fits the classic forb description—a vascular plant that keeps its growing points at or below ground level, helping it survive through seasons.

Where Does It Call Home?

Arkansas alumroot is endemic to Arkansas, meaning this is the only place in the world where it naturally occurs. This incredibly limited distribution makes it quite the botanical treasure for Natural State gardeners.

The Rarity Reality Check

Here’s where things get serious, fellow plant lovers. Arkansas alumroot has a rarity status of S3 in Arkansas, which means it’s vulnerable and uncommon throughout its range. This isn’t a plant you’ll find at your local garden center, and that’s actually a good thing for conservation purposes.

If you’re interested in growing Arkansas alumroot, it’s crucial to source it responsibly. This means:

  • Never collecting from wild populations
  • Purchasing only from reputable native plant nurseries that propagate their own stock
  • Ensuring any plants you buy are legally and ethically sourced
  • Consider participating in conservation efforts or seed collection programs if available

Growing Arkansas Alumroot: The Challenge

Here’s the honest truth: specific growing information for Arkansas alumroot is quite limited, even in scientific literature. This rarity extends beyond just its wild populations—it’s also rare in cultivation knowledge. However, we can make some educated guesses based on its Heuchera relatives and Arkansas native habitat.

Most Heuchera species prefer:

  • Partial shade to filtered sunlight
  • Well-draining soil with good organic content
  • Consistent but not excessive moisture
  • Protection from extreme heat and drought

Given Arkansas’s climate, this variety likely tolerates more heat and humidity than northern Heuchera species, but without specific cultivation studies, growing it successfully may require some experimentation and patience.

Should You Plant Arkansas Alumroot?

This is a plant for serious native plant enthusiasts rather than casual gardeners. If you live in Arkansas and are passionate about supporting local biodiversity, Arkansas alumroot could be a meaningful addition to your garden—but only if you can source it responsibly.

For most gardeners, especially those outside Arkansas, focusing on more readily available native Heuchera species in your area might be a better choice. Every region has its own native coral bells and alumroots that can provide similar garden benefits without the conservation concerns.

The Bottom Line

Arkansas alumroot represents something special in the native plant world—a reminder that some plants are truly irreplaceable and location-specific. While it may not be the easiest plant to grow or find, its very existence enriches Arkansas’s natural heritage.

If you’re lucky enough to garden in Arkansas and can find responsibly sourced plants, growing Arkansas alumroot becomes an act of conservation. You’ll be helping preserve a piece of your state’s unique botanical identity, one garden at a time.

For everyone else, let Arkansas alumroot inspire you to seek out and celebrate the rare native plants in your own region. Every state has its botanical treasures waiting to be discovered and appreciated.

Arkansas 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 villosa Michx. - hairy alumroot

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