North America Native Plant

Red Canyon Buckwheat

Botanical name: Eriogonum aretioides

USDA symbol: ERAR8

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Red Canyon Buckwheat: A Rare Gem Worth Protecting If you’re drawn to unique native plants that tell a story of resilience and rarity, Red Canyon buckwheat (Eriogonum aretioides) might catch your attention. But before you start planning where to plant this intriguing perennial, there’s an important conservation story you need ...

Rare plant alert!

Region: Conservation status by state

Status: S2: Status is uncertain but is somewhere between the following rankings: 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) ⚘

Red Canyon Buckwheat: A Rare Gem Worth Protecting

If you’re drawn to unique native plants that tell a story of resilience and rarity, Red Canyon buckwheat (Eriogonum aretioides) might catch your attention. But before you start planning where to plant this intriguing perennial, there’s an important conservation story you need to know.

What Makes Red Canyon Buckwheat Special?

Red Canyon buckwheat is a true Utah native, found nowhere else in the world except in the stunning red rock canyon country of the Beehive State. This compact perennial forb forms tight, cushion-like mats that hug the ground, creating a living tapestry against the dramatic desert landscape.

The plant produces clusters of tiny white to pinkish flowers that may seem modest at first glance, but they’re perfectly suited to their harsh environment. These blooms attract small native bees and other specialized pollinators that have co-evolved with Utah’s unique desert flora.

A Rare Treasure That Needs Our Protection

Here’s where things get serious: Red Canyon buckwheat has a Global Conservation Status of S2, meaning it’s considered Imperiled. With typically only 6 to 20 known occurrences and potentially fewer than 3,000 individual plants in existence, this species walks a tightrope between survival and extinction.

What does this mean for gardeners? If you’re considering adding this plant to your landscape, you must ensure any material comes from responsible, ethical sources—never wild collection. Better yet, consider supporting conservation efforts for this species rather than attempting to grow it in your garden.

Growing Conditions: Not for the Faint of Heart

Even if you can source Red Canyon buckwheat responsibly, growing it successfully is a significant challenge. This plant has evolved very specific requirements that are tough to replicate outside its native habitat:

  • Drainage: Absolutely crucial—this plant cannot tolerate any standing water
  • Soil: Alkaline, rocky, nutrient-poor conditions similar to its native red rock environment
  • Water: Extremely low water needs; overwatering is often fatal
  • Sun exposure: Full sun and intense heat tolerance
  • Hardiness: Suitable for USDA zones 4-8

Garden Role and Landscape Design

In the rare instances where Red Canyon buckwheat might be appropriate for cultivation, it would work best in:

  • Specialized rock gardens that mimic desert conditions
  • Xerophytic landscapes designed for water conservation
  • Educational native plant collections at botanical gardens
  • Research or conservation propagation programs

The plant’s low, mat-forming growth habit makes it potentially useful as a ground cover, but only in very specific conditions that most home gardens simply cannot provide.

Consider These Alternatives Instead

For most gardeners interested in supporting native plants and pollinators, consider these more common and garden-friendly buckwheat species:

  • Wild buckwheat (Eriogonum fasciculatum) – more widely available and adaptable
  • Sulfur flower (Eriogonum umbellatum) – easier to grow and equally beautiful
  • Desert trumpet (Eriogonum inflatum) – striking and more forgiving

Supporting Conservation

The best way to help Red Canyon buckwheat isn’t necessarily by trying to grow it, but by supporting habitat conservation in Utah and research programs working to understand and protect this rare species. Consider donating to local native plant societies or conservation organizations working in Utah’s red rock country.

Sometimes the most responsible thing we can do as native plant enthusiasts is to admire rare species from afar while focusing our garden efforts on more common natives that can thrive in cultivation and support local ecosystems.

Red Canyon Buckwheat

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Polygonales

Family

Polygonaceae Juss. - Buckwheat family

Genus

Eriogonum Michx. - buckwheat

Species

Eriogonum aretioides Barneby - Red Canyon buckwheat

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