North America Native Plant

Snake Range Buckwheat

Botanical name: Eriogonum holmgrenii

USDA symbol: ERHO5

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Snake Range Buckwheat: A Rare Nevada Treasure Worth Protecting Meet Snake Range buckwheat (Eriogonum holmgrenii), one of Nevada’s most precious and elusive native wildflowers. This little-known perennial forb represents something truly special in the gardening world – a plant so rare that encountering it feels like discovering a hidden gem ...

Rare plant alert!

Region: Conservation status by state

Status: S1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Snake Range Buckwheat: A Rare Nevada Treasure Worth Protecting

Meet Snake Range buckwheat (Eriogonum holmgrenii), one of Nevada’s most precious and elusive native wildflowers. This little-known perennial forb represents something truly special in the gardening world – a plant so rare that encountering it feels like discovering a hidden gem tucked away in the remote mountains of the Silver State.

A Plant on the Edge

Before we dive into the gardening aspects, there’s something crucial you need to know: Snake Range buckwheat is critically imperiled. With a Global Conservation Status of S1, this species is extremely rare, with typically only 5 or fewer known occurrences and very few remaining individuals in the wild. This rarity status means that if you’re considering adding this plant to your garden, you must only use responsibly sourced material from ethical suppliers who propagate rather than wild-collect their plants.

Where in the World?

Snake Range buckwheat calls Nevada home – and Nevada alone. This endemic species has chosen one of the most remote and rugged corners of the state as its exclusive address, making it a true Nevada native with an extremely limited geographic footprint.

What Makes It Special

As a perennial forb, Snake Range buckwheat lacks the woody tissue of shrubs and trees, instead growing as a low, herbaceous plant that returns year after year. Like other members of the Eriogonum family, it produces clusters of small, cream to white flowers that create a delicate, cloud-like appearance when in bloom. The plant forms a low-growing mat with silvery-green foliage that adds subtle texture to any planting.

Garden Role and Design Potential

If you’re lucky enough to obtain responsibly sourced Snake Range buckwheat, it serves as an exceptional specimen for:

  • Alpine and rock gardens that mimic high-elevation conditions
  • Specialized native plant collections focused on Nevada endemics
  • Conservation gardens dedicated to preserving rare species
  • Educational landscapes that tell the story of Nevada’s unique flora

Growing Conditions

This mountain dweller has specific needs that reflect its high-elevation Nevada origins. Success with Snake Range buckwheat requires:

  • Excellent drainage – this cannot be overstated
  • Full sun exposure
  • Well-draining, rocky or sandy soils
  • Cool to cold winter temperatures (likely hardy in USDA zones 4-7)
  • Low humidity conditions

Planting and Care Tips

Growing Snake Range buckwheat successfully means thinking like a mountain:

  • Plant in a raised bed or rock garden with exceptional drainage
  • Avoid overwatering – this plant prefers to stay on the dry side
  • Provide protection from humid conditions
  • Allow for good air circulation around the plant
  • Mulch with gravel or small stones rather than organic materials

Pollinator and Wildlife Value

Like other buckwheats, Snake Range buckwheat likely attracts small native bees and other specialized pollinators. Its flowers provide nectar sources for insects adapted to high-elevation environments, making it valuable for supporting rare pollinator species that share its mountain habitat.

The Conservation Conversation

Here’s the bottom line: Snake Range buckwheat is too rare for casual gardening. If you’re drawn to this species, consider it an opportunity to become involved in plant conservation. Support botanical gardens, native plant societies, and conservation organizations working to protect Nevada’s endemic species. If you do obtain plants, treat them as the precious conservation specimens they are, and consider participating in seed collection or propagation efforts to help preserve this remarkable species for future generations.

Sometimes the most beautiful gesture we can make as gardeners is to protect and preserve rather than simply possess. Snake Range buckwheat reminds us that some of nature’s most extraordinary creations deserve our respect, protection, and careful stewardship above all else.

Snake Range 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 holmgrenii Reveal - Snake Range buckwheat

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