North America Native Plant

Las Vegas Wild Buckwheat

Botanical name: Eriogonum corymbosum var. nilesii

USDA symbol: ERCON

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Las Vegas Wild Buckwheat: A Desert Gem for Your Native Garden If you’re looking to add a touch of desert elegance to your landscape while supporting local ecosystems, Las Vegas wild buckwheat (Eriogonum corymbosum var. nilesii) might just be the perfect plant for you. This charming native shrub brings both ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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) ⚘ 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. ⚘

Las Vegas Wild Buckwheat: A Desert Gem for Your Native Garden

If you’re looking to add a touch of desert elegance to your landscape while supporting local ecosystems, Las Vegas wild buckwheat (Eriogonum corymbosum var. nilesii) might just be the perfect plant for you. This charming native shrub brings both beauty and ecological value to gardens across the Southwest.

What Makes Las Vegas Wild Buckwheat Special?

Las Vegas wild buckwheat is a perennial shrub that typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet in height. What sets this plant apart is its stunning display of small, creamy-white flowers that cluster together in dense, rounded heads. These blooms create a beautiful contrast against the plant’s gray-green foliage, making it a real showstopper in desert landscapes.

Where Does It Call Home?

This native beauty is naturally found in Nevada and Utah, specifically thriving in the Mojave Desert region. As a plant native to the lower 48 states, it’s perfectly adapted to the challenging conditions of the American Southwest.

A Word About Rarity

Here’s something important to know: Las Vegas wild buckwheat has a Global Conservation Status of S5T2, which means it’s considered uncommon in its native range. If you’re interested in growing this special plant, make sure you source it responsibly from reputable native plant nurseries or seed suppliers. Never collect plants or seeds from wild populations.

Why Grow Las Vegas Wild Buckwheat?

There are plenty of reasons to consider adding this desert native to your landscape:

  • Pollinator magnet: The flowers attract native bees, butterflies, and other important pollinators
  • Water-wise choice: Once established, it’s extremely drought tolerant
  • Low maintenance: Requires minimal care once settled in
  • Year-round interest: Attractive foliage and form provide structure even when not blooming
  • Native ecosystem support: Helps preserve local plant communities

Perfect Garden Settings

Las Vegas wild buckwheat shines in several landscape styles:

  • Xeriscaping and drought-tolerant gardens
  • Rock gardens and desert landscapes
  • Native plant collections
  • Naturalized areas that mimic desert habitats

Growing Conditions and Care

Success with Las Vegas wild buckwheat comes down to mimicking its natural desert home:

Sunlight: Full sun is essential – this plant loves basking in bright, direct sunlight all day long.

Soil: Well-draining soil is absolutely critical. Sandy or rocky soils work best, as this plant cannot tolerate wet feet.

Water: After establishment, this drought champion needs very little supplemental watering. In fact, too much water can harm it.

Climate: Hardy in USDA zones 7-9, making it suitable for much of the Southwest and similar climates.

Planting and Care Tips

When to plant: Fall or early spring are the ideal planting times, allowing the plant to establish before extreme weather.

Spacing: Give your plants plenty of room to spread, as shrubs can develop multiple stems from the base.

Watering: Water regularly during the first growing season to help establish roots, then reduce to minimal supplemental watering.

Fertilizer: Skip it! Like most native desert plants, Las Vegas wild buckwheat doesn’t need fertilizer and may actually be harmed by it.

Pruning: Generally unnecessary, but you can lightly shape the plant in late winter if desired.

Is This Plant Right for You?

Las Vegas wild buckwheat is perfect for gardeners who want to create water-wise landscapes that support native wildlife. It’s especially appealing if you’re interested in preserving rare native plants and don’t mind a more naturalized, desert aesthetic. However, it may not be the best choice if you prefer lush, green gardens or live in areas with high humidity or poor drainage.

Remember, by choosing to grow this uncommon native species with responsibly sourced plants, you’re not just adding beauty to your landscape – you’re also playing a part in conservation efforts and supporting the pollinators and wildlife that depend on native plants.

Las Vegas Wild 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 corymbosum Benth. - crispleaf buckwheat

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