North America Native Plant

Gregg’s Buckwheat

Botanical name: Eriogonum greggii

USDA symbol: ERGR7

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Gregg’s Buckwheat: A Rare Texas Native Worth Protecting in Your Garden If you’re looking to add a touch of Texas wildness to your garden while supporting conservation efforts, Gregg’s buckwheat might just be your next favorite plant. But before you rush to the nursery, there’s something important you should know ...

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) ⚘

Gregg’s Buckwheat: A Rare Texas Native Worth Protecting in Your Garden

If you’re looking to add a touch of Texas wildness to your garden while supporting conservation efforts, Gregg’s buckwheat might just be your next favorite plant. But before you rush to the nursery, there’s something important you should know about this charming native perennial.

What Makes Gregg’s Buckwheat Special?

Gregg’s buckwheat (Eriogonum greggii) is a delightful perennial forb that’s as tough as it is beautiful. This low-growing native produces clusters of tiny white to pinkish flowers that seem to float above silvery-green foliage like little clouds. It’s the kind of plant that makes you stop and take a closer look – and your local pollinators will thank you for it!

A True Texas Original

This buckwheat is a true Texan through and through, naturally occurring only in the Lone Star State. It’s particularly at home in the Trans-Pecos region, where it has adapted to thrive in challenging desert conditions. Being native to Texas means it’s perfectly suited to the local climate and plays an important role in supporting native wildlife.

Important Conservation Note

Here’s where things get serious for a moment. Gregg’s buckwheat has a Global Conservation Status of S2, which means it’s considered Imperiled. This classification indicates the plant is extremely rare, with typically only 6 to 20 known occurrences and between 1,000 to 3,000 remaining individuals in the wild.

What this means for gardeners: While we absolutely encourage planting this beautiful native, please only purchase from reputable nurseries that use responsibly sourced material. Never collect plants or seeds from wild populations – every individual plant is precious for the species’ survival.

Why Your Garden Will Love Gregg’s Buckwheat

Despite its rarity in the wild, Gregg’s buckwheat can be a wonderful addition to the right garden setting:

  • Drought champion: Once established, it needs very little water
  • Pollinator magnet: The flowers attract native bees, butterflies, and other beneficial insects
  • Low maintenance: Perfect for busy gardeners who want beauty without fuss
  • Unique texture: The silvery foliage adds interesting color contrast to garden beds

Perfect Garden Spots

Gregg’s buckwheat shines in specific garden settings:

  • Rock gardens and xeriscapes
  • Native plant gardens
  • Drought-tolerant landscape designs
  • Areas with poor or sandy soil where other plants struggle

Growing Gregg’s Buckwheat Successfully

The good news is that once you find responsibly sourced plants, Gregg’s buckwheat is relatively easy to grow if you remember its desert origins:

Sunlight: Full sun is essential – this plant loves all the sunshine Texas can dish out.

Soil: Well-draining soil is absolutely critical. Heavy clay or soils that stay wet will quickly kill this desert native. Sandy or gravelly soils are perfect.

Water: The biggest mistake new growers make is overwatering. After the first year, natural rainfall should be sufficient in most Texas locations.

Hardiness: Suitable for USDA zones 7-9, making it perfect for most of Texas.

Planting and Care Tips

  • Plant in fall for best establishment
  • Water regularly the first year, then back off significantly
  • Avoid fertilizers – this plant prefers lean soils
  • Mulch lightly with gravel rather than organic mulch
  • Deadhead spent flowers to encourage more blooms

The Bottom Line

Gregg’s buckwheat is a plant that deserves a spot in Texas gardens – not just for its beauty, but as part of our responsibility to conserve rare native species. By growing this special plant with responsibly sourced material, you’re not just adding charm to your landscape; you’re participating in conservation efforts and supporting the incredible biodiversity that makes Texas special.

Just remember: buy responsibly, plant thoughtfully, and enjoy watching this rare beauty attract pollinators while adding a unique touch of Texas heritage to your garden.

Gregg’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 greggii Torr. & A. Gray - Gregg'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