North America Native Plant

Brandegee’s Buckwheat

Botanical name: Eriogonum brandegeei

USDA symbol: ERBR9

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Brandegee’s Buckwheat: A Rare Colorado Gem Worth Protecting in Your Garden Meet Brandegee’s buckwheat (Eriogonum brandegeei), a charming little perennial that’s as rare as it is beautiful. This Colorado native is one of those special plants that makes you feel like you’re part of an exclusive gardening club – mainly ...

Rare plant alert!

Region: Conservation status by state

Status: S1S2: 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) ⚘ 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) ⚘

Brandegee’s Buckwheat: A Rare Colorado Gem Worth Protecting in Your Garden

Meet Brandegee’s buckwheat (Eriogonum brandegeei), a charming little perennial that’s as rare as it is beautiful. This Colorado native is one of those special plants that makes you feel like you’re part of an exclusive gardening club – mainly because it’s found nowhere else in the world except the Centennial State!

What Makes This Plant Special?

Brandegee’s buckwheat is a true Colorado endemic, meaning it evolved right there in the Rocky Mountain state and calls it home exclusively. As a perennial forb, it’s essentially a non-woody flowering plant that comes back year after year, forming attractive low-growing clumps that are perfect for rock gardens and xeriscaping projects.

This little beauty grows naturally only in Colorado, making it a genuine local treasure. The plant has earned a Global Conservation Status of S1S2, which puts it in the rare category – so if you’re thinking about adding it to your garden, you’ll want to make sure you’re getting it from a responsible source.

Why You’d Want to Grow It (And Why You Should Be Careful)

Here’s the thing about rare plants – they’re absolutely worth growing, but with great botanical power comes great responsibility. Brandegee’s buckwheat offers several compelling reasons to include it in your landscape:

  • Drought tolerance: Once established, this plant thrives with minimal water – perfect for Colorado’s challenging climate
  • Pollinator magnet: The clusters of small white to cream-colored flowers attract native bees, butterflies, and other beneficial insects
  • Low maintenance: As a native plant, it’s naturally adapted to local conditions and requires little fussing
  • Conservation value: Growing rare natives helps preserve genetic diversity and supports local ecosystems

Important note: Due to its rare status, only plant Brandegee’s buckwheat if you can source it responsibly from reputable native plant nurseries or conservation programs. Never collect from wild populations!

Perfect Garden Situations

This Colorado native shines brightest in:

  • Rock gardens: Its low-growing habit and drought tolerance make it ideal for tucking between boulders
  • Xeriscape landscapes: Perfect for water-wise gardening in USDA zones 4-7
  • Native plant gardens: A must-have for Colorado native plant enthusiasts
  • Pollinator gardens: Small but mighty when it comes to supporting local pollinators

Growing Brandegee’s Buckwheat Successfully

The secret to success with this rare beauty lies in mimicking its natural habitat. Think Colorado mountain meadow meets rock outcrop and you’ll be on the right track.

Soil Requirements

Drainage is absolutely critical – this plant cannot tolerate wet feet. Provide sandy, rocky, or gravelly soil that drains quickly. If your soil tends to hold water, consider raised beds or adding plenty of coarse sand and gravel to improve drainage.

Light and Water Needs

Full sun is essential for healthy growth and flowering. Once established, Brandegee’s buckwheat is remarkably drought-tolerant and actually prefers dry conditions. Water sparingly, and avoid the temptation to pamper it with regular irrigation – too much water is more likely to kill it than help it.

Planting and Care Tips

  • Plant in spring or early fall when temperatures are moderate
  • Space plants according to nursery recommendations (mature size varies)
  • Mulch lightly with gravel or decomposed granite rather than organic mulch
  • Avoid fertilizing – native plants typically don’t need it and may actually be harmed by too much nutrition
  • Once established, minimal care is needed beyond occasional weeding

A Plant Worth Protecting

Growing Brandegee’s buckwheat isn’t just about adding another pretty plant to your garden – it’s about participating in conservation. Every responsibly grown specimen helps ensure this unique Colorado native continues to thrive for future generations. Plus, you’ll have bragging rights to one of the state’s most exclusive botanical residents!

Just remember: with great rarity comes great responsibility. Source ethically, plant thoughtfully, and enjoy being part of this special plant’s conservation story.

Brandegee’s 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 brandegeei Rydb. - Brandegee's buckwheat

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