North America Native Plant

Bridle Buckwheat

Botanical name: Eriogonum meledonum

USDA symbol: ERME6

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Bridle Buckwheat: A Rare Idaho Treasure Worth Protecting Meet bridle buckwheat (Eriogonum meledonum), one of Idaho’s most precious native wildflowers and a plant that deserves our attention—and our protection. This remarkable little perennial is more than just a pretty face; it’s a conservation story unfolding in our gardens. A True ...

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) ⚘

Bridle Buckwheat: A Rare Idaho Treasure Worth Protecting

Meet bridle buckwheat (Eriogonum meledonum), one of Idaho’s most precious native wildflowers and a plant that deserves our attention—and our protection. This remarkable little perennial is more than just a pretty face; it’s a conservation story unfolding in our gardens.

A True Idaho Native

Bridle buckwheat is exclusively native to Idaho, making it a genuine treasure of the Gem State. This herbaceous perennial forb calls only Idaho home, representing the kind of endemic species that makes regional flora so special and irreplaceable.

Why This Plant Matters (And Why You Should Care)

Here’s where things get serious: bridle buckwheat has a Global Conservation Status of S2, meaning it’s imperiled. With typically only 6 to 20 known occurrences and somewhere between 1,000 to 3,000 individual plants remaining in the wild, this species is walking a tightrope toward extinction. Every single plant matters.

But here’s the hopeful part—responsible gardeners can play a role in conservation by growing this species, provided they source it ethically.

What Makes Bridle Buckwheat Special

As a member of the buckwheat family, this perennial forb produces clusters of small, white to cream-colored flowers that create a delicate, cloud-like appearance in the garden. The silvery-green foliage provides an attractive backdrop year-round, and like its buckwheat cousins, it’s a magnet for native pollinators including bees and butterflies.

Since it’s an herbaceous perennial, bridle buckwheat lacks woody stems but returns reliably each year from its root system, gradually forming small colonies over time.

Growing Bridle Buckwheat: The Essentials

If you’re considering adding this rare beauty to your garden, here’s what you need to know:

  • Soil: Excellent drainage is non-negotiable. Rocky, gravelly, or sandy soils work best
  • Sun: Full sun exposure for optimal growth and flowering
  • Water: Drought tolerant once established; avoid overwatering
  • Climate: Hardy in USDA zones 4-7, matching Idaho’s natural climate conditions
  • Winter care: Protect from excessive winter moisture which can cause root rot

Perfect Garden Settings

Bridle buckwheat shines in:

  • Rock gardens where drainage is naturally excellent
  • Native plant collections focused on regional species
  • Xeriscape gardens celebrating drought-tolerant plants
  • Conservation-minded landscapes

The Responsible Way to Grow It

Given its imperiled status, never collect bridle buckwheat from the wild. Instead, seek out reputable native plant nurseries that propagate it from ethically sourced seeds or divisions. Some botanical gardens and conservation organizations occasionally offer responsibly propagated specimens.

By growing this plant, you’re not just adding beauty to your garden—you’re participating in conservation and helping ensure that future generations can enjoy this Idaho original.

Pollinator Paradise

Like other buckwheat species, bridle buckwheat is a pollinator magnet. Its flowers provide nectar for native bees, beneficial insects, and butterflies, making it a valuable addition to any pollinator-friendly garden. Every bloom helps support the intricate web of native wildlife that depends on indigenous plants.

The Bottom Line

Should you plant bridle buckwheat? If you can source it responsibly and provide the right growing conditions, absolutely. You’ll be growing a piece of Idaho’s natural heritage while supporting conservation efforts. Just remember: with great rarity comes great responsibility. This isn’t just any garden plant—it’s a living piece of natural history that deserves our respect and care.

Sometimes the most meaningful gardens are those that tell a story of conservation, and bridle buckwheat tells one of the most important stories of all: that every plant, no matter how small or seemingly insignificant, has irreplaceable value in the tapestry of life.

Bridle 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 meledonum Reveal - bridle buckwheat

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