North America Native Plant

Ruby Mountain Buckwheat

Botanical name: Eriogonum kingii

USDA symbol: ERKI

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Ruby Mountain Buckwheat: A Rare Gem for Your Rock Garden If you’re looking for a tough-as-nails native plant that can handle harsh conditions while adding delicate beauty to your garden, Ruby Mountain buckwheat (Eriogonum kingii) might just be your new best friend. This charming little perennial is a true Nevada ...

Rare plant alert!

Region: Conservation status by state

Status: S3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ 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 ⚘

Ruby Mountain Buckwheat: A Rare Gem for Your Rock Garden

If you’re looking for a tough-as-nails native plant that can handle harsh conditions while adding delicate beauty to your garden, Ruby Mountain buckwheat (Eriogonum kingii) might just be your new best friend. This charming little perennial is a true Nevada native with a personality as unique as its mountain home.

What Makes Ruby Mountain Buckwheat Special?

Ruby Mountain buckwheat is a native forb that belongs to the fascinating buckwheat family. Unlike its grain-producing cousins, this little beauty is all about ornamental appeal. It forms compact, cushion-like mounds of silvery-green foliage that serve as the perfect backdrop for clusters of tiny white to pinkish flowers that bloom through the summer months.

As a perennial herb, this plant lacks woody tissue but makes up for it with incredible staying power. Its perennating buds huddle close to or below the ground surface, helping it survive harsh mountain winters and blazing desert summers with equal aplomb.

Where Does It Call Home?

This buckwheat is quite the Nevada exclusive – it’s endemic to the state and specifically calls the Ruby Mountains of northeastern Nevada home. This limited native range makes it a truly special addition to any garden, especially if you’re passionate about preserving regional plant heritage.

Important Conservation Note

Here’s something every responsible gardener should know: Ruby Mountain buckwheat has a Global Conservation Status of S3?, which indicates some level of rarity and uncertainty about its population status. This means if you decide to grow this beauty, it’s absolutely crucial to source your plants or seeds from reputable nurseries that practice ethical collection methods. Never collect from wild populations – let’s keep this mountain treasure thriving in its natural habitat!

Why Your Garden Will Love It

Ruby Mountain buckwheat is the kind of plant that makes you look like a gardening genius without much effort. Here’s why it’s perfect for certain garden styles:

  • Rock gardens: Its compact, cushion-like form nestles perfectly between stones
  • Alpine gardens: Naturally adapted to high-elevation conditions
  • Xeriscapes: Extremely drought-tolerant once established
  • Native plant gardens: A true regional native that supports local ecosystems

Pollinator Paradise

Those delicate flower clusters aren’t just pretty to look at – they’re pollinator magnets! Butterflies, native bees, and other small pollinators absolutely adore the nectar-rich blooms. By planting Ruby Mountain buckwheat, you’re creating a little oasis for these essential garden helpers.

Growing Conditions That Make It Happy

Ruby Mountain buckwheat is surprisingly adaptable for such a specialized native, thriving in USDA hardiness zones 4-8. Here’s what it needs to flourish:

  • Sunlight: Full sun is essential – this mountain native loves basking in bright light
  • Soil: Well-drained, rocky, or sandy soils are ideal. Clay soil is its kryptonite!
  • Water: Low water requirements once established. Think benign neglect rather than pampered princess
  • Drainage: Cannot stress this enough – excellent drainage is non-negotiable

Planting and Care Tips

Growing Ruby Mountain buckwheat successfully is all about mimicking its mountain home:

  • Plant in spring: Give it a full growing season to establish before winter
  • Amend heavy soils: Add sand, gravel, or pumice to improve drainage
  • Water sparingly: Deep, infrequent watering is better than frequent sprinkles
  • Avoid fertilizer: This plant prefers lean soils – too much nutrition makes it leggy
  • Mulch with gravel: Organic mulch can retain too much moisture

The Bottom Line

Ruby Mountain buckwheat is a wonderful choice for gardeners who appreciate rare native plants and want to support regional biodiversity. Its drought tolerance, pollinator appeal, and unique beauty make it a standout addition to rock gardens and xeriscape designs. Just remember to source it responsibly and give it the well-drained conditions it craves. With the right care, this little Nevada native will reward you with years of low-maintenance beauty and the satisfaction of growing a truly special plant.

Ruby Mountain 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 kingii Torr. & A. Gray - Ruby Mountain buckwheat

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