North America Native Plant

Nodding Buckwheat

Botanical name: Eriogonum cernuum var. viminale

USDA symbol: ERCEV

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Eriogonum cernuum Nutt. ssp. viminale S. Stokes (ERCEV2)   

Nodding Buckwheat: A Native Annual Worth Knowing If you’re looking to add some native flair to your garden with a plant that doesn’t demand much attention, nodding buckwheat (Eriogonum cernuum var. viminale) might just be the unassuming star you didn’t know you needed. This native annual forb brings a touch ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3T4: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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. ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Nodding Buckwheat: A Native Annual Worth Knowing

If you’re looking to add some native flair to your garden with a plant that doesn’t demand much attention, nodding buckwheat (Eriogonum cernuum var. viminale) might just be the unassuming star you didn’t know you needed. This native annual forb brings a touch of the American West right to your backyard, though it’s definitely more of a wildflower meadow kind of plant than a manicured garden bed type.

What Exactly Is Nodding Buckwheat?

Don’t let the name fool you – this isn’t the buckwheat you’d find in your pancake mix! Nodding buckwheat is a native forb, which is botanist-speak for a soft-stemmed plant that doesn’t develop woody tissue. Think of it as nature’s version of a one-season wonder since it completes its entire life cycle in a single year.

You might also see it listed under its scientific synonym Eriogonum cernuum ssp. viminale, but both names refer to the same charming little plant.

Where Does It Call Home?

This native beauty has made itself at home across the western United States, naturally occurring in California, Nevada, Oregon, and Utah. It’s perfectly adapted to the climate and growing conditions of these regions, making it an excellent choice for gardeners in these areas who want to work with nature rather than against it.

Why Consider Planting Nodding Buckwheat?

Here’s where things get interesting – and a bit cautionary. Nodding buckwheat has a global conservation status of S5T3T4, which indicates it has some conservation concerns. This means if you’re thinking about adding it to your garden, you’ll want to be extra careful about sourcing your seeds or plants from reputable native plant nurseries that practice responsible collection methods.

That said, there are some compelling reasons to consider this plant:

  • It’s genuinely native to the western U.S., supporting local ecosystems
  • As an annual, it won’t take over your garden or require long-term commitment
  • It fits beautifully into naturalized landscapes and wildflower gardens
  • Low maintenance once established (annual plants are great for busy gardeners!)

Best Garden Settings

Nodding buckwheat isn’t your typical border plant – it’s more at home in naturalized settings where it can do its wild thing. Consider it for:

  • Native plant gardens
  • Wildflower meadows
  • Natural landscapes
  • Areas where you want to support local wildlife and pollinators

The Growing Reality Check

Here’s the honest truth: specific growing information for this particular variety is pretty limited in available resources. Like many native plants, it’s probably adapted to the natural conditions of its range, which suggests it can handle the typical climate patterns of California, Nevada, Oregon, and Utah.

If you’re determined to grow nodding buckwheat, your best bet is to:

  • Contact local native plant societies in the western states
  • Reach out to native plant nurseries in its natural range
  • Consult with local extension offices
  • Connect with botanical gardens that specialize in western native plants

A Word About Responsible Growing

Given its conservation status, please only source nodding buckwheat from nurseries that responsibly propagate their stock rather than wild-collect it. This helps ensure wild populations remain stable while still allowing gardeners to enjoy this native species.

If you can’t find this specific variety, consider exploring other Eriogonum species that might be more readily available and better documented for garden use – there are plenty of beautiful buckwheat relatives that might scratch the same native gardening itch!

The Bottom Line

Nodding buckwheat is one of those plants that appeals to gardeners who love the idea of growing something truly native and a bit uncommon. While it might not be the easiest plant to source or grow, it offers the satisfaction of supporting local ecosystems and adding authentic regional character to your landscape. Just remember to source responsibly and don’t be afraid to ask for help from local native plant experts – they’re usually more than happy to share their knowledge!

Nodding 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 cernuum Nutt. - nodding buckwheat

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