North America Native Plant

Eastern Mojave Buckwheat

Botanical name: Eriogonum fasciculatum

USDA symbol: ERFA2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Eastern Mojave Buckwheat: A Desert Jewel for Water-Wise Gardens Meet the Eastern Mojave buckwheat (Eriogonum fasciculatum), a charming native shrub that’s about to become your new favorite drought-tolerant garden companion. This unassuming perennial packs a serious punch when it comes to low-maintenance beauty and ecological value, making it a stellar ...

Eastern Mojave Buckwheat: A Desert Jewel for Water-Wise Gardens

Meet the Eastern Mojave buckwheat (Eriogonum fasciculatum), a charming native shrub that’s about to become your new favorite drought-tolerant garden companion. This unassuming perennial packs a serious punch when it comes to low-maintenance beauty and ecological value, making it a stellar choice for gardeners who want maximum impact with minimal fuss.

What Makes Eastern Mojave Buckwheat Special?

This delightful native shrub calls the southwestern United States home, thriving naturally across Arizona, California, Nevada, and Utah. As a true child of the desert, it has evolved to handle some pretty tough conditions – which translates to an incredibly easy-care plant for your garden.

The Eastern Mojave buckwheat grows as a multi-stemmed woody shrub, typically reaching about 3 feet in both height and width at maturity. With its moderate growth rate, you won’t be waiting forever to see results, but you also won’t find it taking over your garden bed overnight.

A Feast for the Eyes (and Pollinators)

Don’t let the modest size fool you – this plant is a showstopper during its mid-summer bloom period. Clusters of tiny white flowers create a cloud-like effect that’s both delicate and dramatic. The blooms are absolutely irresistible to bees, butterflies, and other pollinators, making your garden a buzzing hub of activity during the flowering season.

The foliage provides year-round interest with its medium-textured, green leaves that offer a lovely backdrop to other desert plants. While it’s not particularly showy in fall, the plant’s consistent form and structure provide reliable garden bones throughout the seasons.

Perfect Garden Roles

Eastern Mojave buckwheat shines in several garden situations:

  • Drought-tolerant and xerophytic landscapes
  • Native plant gardens celebrating regional flora
  • Rock gardens where its compact form fits perfectly
  • Mediterranean-style gardens with similar water needs
  • Low-maintenance groundcover for larger areas
  • Pollinator gardens focused on native species

Growing Conditions Made Simple

Here’s where this plant really shines – it’s incredibly adaptable to challenging conditions that would make other plants throw in the towel. Eastern Mojave buckwheat thrives in USDA hardiness zones 8-10 and prefers:

  • Soil: Well-draining soils, including coarse and medium-textured types (avoid heavy clay)
  • Water: Low moisture requirements once established – perfect for water-wise gardening
  • Sun: Full sun exposure (shade intolerant)
  • pH: Alkaline conditions (7.5-8.5 pH range)
  • Drainage: Excellent drainage is essential – this plant hates wet feet

Planting and Care Tips

Getting started with Eastern Mojave buckwheat is refreshingly straightforward:

Planting: You can find this native beauty at many native plant nurseries, available in containers or sometimes as bare root plants. Plant in spring after the last frost, spacing plants about 3-4 feet apart to allow for mature spread.

Watering: Water regularly the first year to establish a strong root system, then gradually reduce to occasional deep watering during extended dry periods. Once established, this tough customer can handle drought like a champ.

Maintenance: Here’s the best part – there’s not much to do! This plant has a long lifespan and requires minimal intervention. Light pruning after the bloom period can help maintain shape if desired, but it’s not necessary.

Fertilizing: Skip the fertilizer – this plant actually prefers low-fertility conditions and will be perfectly happy in poor soils.

Why Choose Eastern Mojave Buckwheat?

If you’re looking for a plant that delivers ecological benefits while requiring minimal resources, Eastern Mojave buckwheat hits all the right notes. It supports local wildlife, handles drought conditions with grace, and provides lovely summer blooms without demanding constant attention.

This native gem proves that sometimes the best garden choices are the ones that work with nature rather than against it. By choosing Eastern Mojave buckwheat, you’re not just adding a beautiful plant to your landscape – you’re creating habitat, conserving water, and celebrating the natural heritage of the American Southwest.

Ready to give this desert darling a try? Your local pollinators (and your water bill) will thank you!

How

Eastern Mojave Buckwheat

Grows

Growing season

Spring and Summer

Lifespan

Long

Growth form & shape

Multiple Stem and Erect

Growth rate

Moderate

Height at 20 years

3

Maximum height

3.0

Foliage color

Green

Summer foliage density

Moderate

Winter foliage density

Porous

Foliage retention

No

Flowering

Yes

Flower color

White

Fruit/seeds

No

Fruit/seed color

White

Allelopath

No

Nitrogen fixing

None

Toxic

None

C:N Ratio

High

Fire Resistant

No

Foliage Texture

Medium

Low-growing Grass

No

Resproutability

No

Coppice Ability

No

Bloat

None

Eastern Mojave Buckwheat

Growing Conditions

Adapted to Coarse Soil

Yes

Adapted to Medium Soil

Yes

Adapted to Fine Soil

No

Anaerobic tolerance

None

CaCO₃ tolerance

High

Cold Stratification

No

Drought tolerance

High

Nutrient requirement

Low

Fire tolerance

High

Frost-free days minimum

180

Hedge tolerance

Low

Moisture requirement

Low

pH range

7.5 to 8.5

Plants per acre

2700 to 7000

Precipitation range (in)

8 to 20

Min root depth (in)

10

Salt tolerance

Medium

Shade tolerance

Intolerant

Min temperature (F)

7

Cultivating

Eastern Mojave Buckwheat

Flowering season

Mid Summer

Commercial availability

Routinely Available

Fruit/seed abundance

Medium

Fruit/seed season

Summer to Fall

Fruit/seed persistence

Yes

Propagated by bare root

Yes

Propagated by bulb

No

Propagated by container

Yes

Propagated by corm

No

Propagated by cuttings

No

Propagated by seed

Yes

Propagated by sod

No

Propagated by sprigs

No

Propagated by tubers

No

Seed per pound

300000

Seed spread rate

Moderate

Seedling vigor

Medium

Small grain

No

Vegetative spread rate

None

Eastern Mojave 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 fasciculatum Benth. - Eastern Mojave buckwheat

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