North America Native Plant

Alumroot

Botanical name: Heuchera ×cuneata

USDA symbol: HECU8

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Discovering the Elusive Alumroot: A Pacific Northwest Native Worth Knowing Meet Heuchera ×cuneata, a charming but somewhat mysterious member of the alumroot family that calls the Pacific Northwest home. While this native perennial might not be as well-known as its flashier cousins, it offers a unique opportunity for gardeners who ...

Discovering the Elusive Alumroot: A Pacific Northwest Native Worth Knowing

Meet Heuchera ×cuneata, a charming but somewhat mysterious member of the alumroot family that calls the Pacific Northwest home. While this native perennial might not be as well-known as its flashier cousins, it offers a unique opportunity for gardeners who love to grow something truly special and region-specific.

What Makes This Alumroot Special?

This particular alumroot is what botanists call a hybrid species, indicated by that little × in its scientific name. It’s a naturally occurring cross between two parent Heuchera species, creating something entirely its own. As a native perennial forb, it lacks woody stems but returns faithfully year after year, making it a reliable addition to your garden once established.

Where Does It Call Home?

Heuchera ×cuneata is native to Oregon, making it a true Pacific Northwest treasure. This limited geographic distribution adds to its appeal for gardeners who want to grow plants that are truly local to their region. If you’re gardening in Oregon, you’re getting the chance to grow something that naturally belongs in your landscape.

The Appeal for Your Garden

Like other members of the alumroot family, this plant likely offers several attractive features:

  • Attractive foliage that provides year-round interest
  • Delicate flower spikes that add vertical interest to plantings
  • Compact growth habit perfect for smaller spaces
  • Native status that supports local ecosystems

Where to Use It in Your Landscape

This alumroot would work beautifully in:

  • Native plant gardens showcasing Oregon flora
  • Rock gardens where its compact form can shine
  • Woodland settings with partial shade
  • As an accent plant in perennial borders
  • Ground cover in naturalized areas

Growing Conditions and Care

While specific growing information for this hybrid is limited, we can draw from what we know about alumroots in general. Most Heuchera species prefer:

  • Partial shade to dappled sunlight
  • Well-draining soil that doesn’t stay soggy
  • Moderate water once established
  • Cool, moist conditions typical of Pacific Northwest gardens

Given its Oregon origins, this plant is likely well-adapted to the region’s climate and should be hardy in USDA zones typical for the Pacific Northwest.

Supporting Wildlife

As a native plant, this alumroot likely provides benefits to local wildlife, though specific information about pollinator relationships is limited. Most Heuchera species attract small pollinators with their delicate flowers, and native plants generally support local insect populations that birds and other wildlife depend on.

The Challenge of Finding It

Here’s where things get interesting (and perhaps a bit frustrating): this particular alumroot hybrid appears to be quite rare in cultivation. You’re unlikely to find it at your typical garden center. If you’re determined to grow this specific plant, you might need to:

  • Contact native plant societies in Oregon
  • Reach out to botanical gardens or universities
  • Connect with native plant enthusiasts and collectors
  • Consider growing it from seed if available

Should You Grow It?

If you’re an Oregon gardener who loves native plants and enjoys growing something unique, Heuchera ×cuneata could be a wonderful addition to your garden. However, its rarity means you’ll need to be patient and persistent in your search.

For most gardeners interested in native alumroots, consider exploring other Heuchera species native to your region. They’ll offer similar benefits with much easier availability, and you’ll still be supporting native plant gardening.

Whether you track down this elusive hybrid or choose a more readily available native alternative, you’ll be adding a plant that belongs in your landscape and supports the local ecosystem. And sometimes, that’s the most rewarding kind of gardening there is.

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 ×cuneata Howell (pro sp.) [cylindrica × rubescens] - alumroot

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