North America Native Plant

Jaynes Canyon Buckwheat

Botanical name: Eriogonum diclinum

USDA symbol: ERDI10

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Jaynes Canyon Buckwheat: A Rare Native Gem Worth Protecting Meet Jaynes Canyon buckwheat (Eriogonum diclinum), a charming native perennial that’s both a gardener’s delight and a conservation priority. This low-growing wildflower might not be the showiest plant in your garden, but it packs a punch when it comes to supporting ...

Rare plant alert!

Region: Conservation status by state

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

Jaynes Canyon Buckwheat: A Rare Native Gem Worth Protecting

Meet Jaynes Canyon buckwheat (Eriogonum diclinum), a charming native perennial that’s both a gardener’s delight and a conservation priority. This low-growing wildflower might not be the showiest plant in your garden, but it packs a punch when it comes to supporting local wildlife and adding authentic regional character to your landscape.

Where Does Jaynes Canyon Buckwheat Call Home?

This special little plant is a true West Coast native, naturally occurring only in California and Oregon. As a perennial forb herb, it’s perfectly adapted to the unique climate and soil conditions of the Pacific coastal regions, making it an excellent choice for gardeners wanting to create authentic native landscapes.

Why You’ll Want This Plant (But Need to Be Careful)

Here’s where things get interesting – and important. Jaynes Canyon buckwheat has a Global Conservation Status of S3, meaning it’s considered vulnerable in the wild. With only 21 to 100 known occurrences and an estimated 3,000 to 10,000 individuals remaining, this plant needs our protection.

The good news? You can still grow this beauty in your garden, but only if you source it responsibly from reputable native plant nurseries or conservation programs. Never collect plants from the wild!

What Makes It Garden-Worthy

Despite its rarity, Jaynes Canyon buckwheat offers several compelling reasons to include it in your native plant collection:

  • Pollinator magnet: The clusters of small white to cream flowers are irresistible to native bees, butterflies, and other beneficial insects
  • Low maintenance: Once established, this drought-tolerant perennial thrives with minimal care
  • Unique character: Its mat-forming growth habit creates interesting texture and ground coverage
  • Conservation value: Growing it helps preserve genetic diversity of this vulnerable species

Perfect Garden Settings

Jaynes Canyon buckwheat shines in specialized garden settings where its unique qualities can be appreciated:

  • Rock gardens: Its low, spreading habit complements rocky terrain beautifully
  • Native plant collections: Essential for serious native plant enthusiasts
  • Xeriscapes: Perfect for water-wise landscaping projects
  • Conservation gardens: Ideal for gardeners focused on preserving rare species

Growing Conditions That Make It Happy

Like many buckwheats, this species has specific needs that mirror its natural habitat:

  • Sunlight: Full sun is essential for best flowering and growth
  • Soil: Well-draining soils are absolutely critical – this plant hates wet feet
  • Water: Drought-tolerant once established; actually prefers dry conditions
  • Climate: Thrives in USDA hardiness zones 7-9

Planting and Care Tips

Success with Jaynes Canyon buckwheat comes down to mimicking its natural growing conditions:

  • Drainage is everything: Amend heavy soils with sand or gravel to improve drainage
  • Water wisely: Water regularly the first year to establish roots, then reduce watering significantly
  • Avoid fertilizer: This plant prefers poor to moderate soils and doesn’t need rich feeding
  • Give it space: Allow room for its spreading, mat-forming growth habit

The Responsible Gardener’s Choice

Growing Jaynes Canyon buckwheat is more than just adding another plant to your garden – it’s participating in conservation. By choosing to grow this vulnerable species from responsibly sourced plants, you’re helping ensure that future generations will be able to enjoy this unique piece of California and Oregon’s natural heritage.

Just remember: always purchase from reputable native plant nurseries, never collect from the wild, and consider sharing seeds or divisions with other conservation-minded gardeners. Together, we can help this remarkable little buckwheat thrive both in our gardens and in its natural habitat.

Jaynes 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 diclinum Reveal - Jaynes 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