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Wild buckwheats (*Eriogonum* (genus))
Plant profile

Wild buckwheats

Genus Eriogonum

Wild buckwheats (genus Eriogonum) are tough, long-blooming western native wildflowers that can turn dry, sunny spots into reliable pollinator stops.

Plant Type

Wildflowers (herbaceous perennials) > Wild buckwheats

Aliases

Wild buckwheat

Native Range

Western North America (varies by species).

Bloom window

Often blooms from late spring through summer (varies by species).

OVERVIEW

About This Plant

Wild buckwheats (Genus Eriogonum) are tough, western-native wildflowers that function as reliable, long-season forage anchors in dry and sunny habitats. Their greatest value to local North American pollinators, including many bees and butterflies, lies in their dense clusters of tiny, accessible flowers, providing a steady and easy-to-reach source of nectar and pollen. They are an excellent, low-fuss plant for challenging garden spaces like gravelly areas and dry slopes.

If you are planting Eriogonum, site selection is critical: they require full sun and fast-draining soil. To maximize pollinator support and ensure plant health, avoid over-watering and heavy fertilizers. The best practice is to avoid all insecticides, especially when the plants are blooming, as a well-sited wild buckwheat is resilient and will deliver continuous support to your local insect community.

Best role for pollinators
Sunny, well-drained spots where you want long-lasting blooms and low-fuss pollinator support.
Wild buckwheats (*Eriogonum* (genus))
https://www.inaturalist.org/photos/18817181 Photo: (c) Di, some rights reserved (CC BY-NC) | CC-BY-NC | iNaturalist

FAST FACTS

Quick Details

Essential stats and requirements for quick reference.

Also known asWild buckwheat
Bloom windowOften blooms from late spring through summer (varies by species).
Typical heightVaries widely by species—from low mounds to taller flowering stems.
Pollinators supportedBees, Butterflies, Flies, Wasps, Beetles
Light & moistureFull sun; dry to medium moisture with good drainage.
Best roles for pollinatorsSunny, well-drained spots where you want long-lasting blooms and low-fuss pollinator support.

SUMMARY

If You Remember Three Things

A quick scan of what they do, what they need, and the best first step.

What they do

Provide long-lasting clusters of small flowers that many pollinators can use.

What they need

Sun and well-drained soil; most types do best with modest watering after they’re established.

One best action

Choose a well-drained, sunny spot and avoid overwatering.

IMPACT

Why Plant This?

Wild buckwheats are practical, low-fuss bloomers that can keep flowers coming in sunny, dry places—supporting a mix of pollinators without demanding rich soil or frequent watering.
Wild buckwheats are a whole genus, so you can often find a type that fits your space—from low mounds to taller, airy bloom stalks.

Key Impacts

What it Supports

  • Long bloom periods can help keep pollinators fed across the season.
  • Compact growth makes them easy to fit into small gardens and even large containers (with excellent drainage).
  • Many species handle heat and dry soil better than typical garden flowers.

RECOGNITION

Identification Guide

Wild buckwheats can look different depending on the species, but these clues are common across many Eriogonum.

Leaves

Often basal or clustered leaves; shape and texture vary by species, sometimes with a gray-green or silvery cast.

Flowers

Tiny flowers packed into clusters; colors range from white/cream to yellow, pink, or rusty tones as they age.

Fruits

Small, dry seeds that form after flowering; spent clusters may persist and add texture.

Wild buckwheats (*Eriogonum* (genus))
https://www.inaturalist.org/photos/286032952 Photo: (c) amscarff, some rights reserved (CC BY-NC) | CC-BY-NC | iNaturalist
Wild buckwheats (*Eriogonum* (genus))
Wild buckwheats (*Eriogonum* (genus))

LOCATION

Where It Grows

Native environments and the best spots to place it in your landscape.

Habitats

  • Open, sunny slopes
  • Dry meadows
  • Rocky or gravelly areas
  • Sandy or well-drained sites

Where it is often used

  • Rock garden or gravel garden
  • Sunny border edging
  • Dry slope or hard-to-water corner
  • Pollinator patch planting
  • Container planting (use a gritty, fast-draining mix)

SEASONALITY

When It Blooms

Notes on bloom windows and how this plant helps pollinators across the seasons.

Bloom window

Bloom timing depends on the species, but many wild buckwheats flower for a long stretch once they start.

Bloom Season Role: Long-blooming support plant that can bridge gaps between other flowering waves.

Seasonal benefits

  • Helps fill in when early spring flowers fade
  • Provides steady forage during hot, dry periods
  • Seed heads can add texture after flowering

REQUIREMENTS

What It Needs

The right mix of sun, soil, and space for healthy growth.

Sun exposure

Full sun is best for strong flowering and compact growth.

Soil type

Well-drained soil is key. Many types prefer lean, gritty, or rocky soils over rich, heavy mixes.

Moisture needs

Water to help new plants establish, then reduce. Once established, many species prefer infrequent deep watering rather than frequent light watering.

Planting method

Plant where water won’t pool. If your soil is heavy, consider a raised area, a slope, or a gravelly planting pocket.

Mulching tips

Use a light layer of gravel or coarse mulch if needed, and keep mulch away from the plant’s crown.

GARDENING GUIDE

How to Grow It

Simple steps to plant, prune, and maintain healthy trees without pesticides.

Planting tips

  • Pick a sunny spot with fast drainage (no standing water after rain).
  • Loosen the soil and mix in grit or gravel if drainage is slow.
  • Plant at the same depth as the pot and firm soil gently around the roots.
  • Water in well, then let the top of the soil dry between waterings as the plant settles in.
  • Keep the area lightly weeded while the plant establishes.

Seasonal care

  • Water sparingly once established; too much water can shorten lifespan.
  • Deadhead for tidiness, or leave spent flower clusters for texture.
  • Avoid heavy fertilizing; lean soil often works better.
  • Check that mulch isn’t piled against the base of the plant.

What not to do

  • Planting in soil that stays wet or compacted.
  • Watering on a schedule instead of checking the soil.
  • Using insect sprays during flowering.
  • Over-fertilizing to “boost blooms.”

Pairings

Best Pairings for Season-Long Bloom

Pairing ideas to keep pollinators fed throughout the growing season.

Early Bloom

  • Native spring wildflowers suited to your region
  • Early-blooming penstemons (where appropriate)

Mid-Season Bloom

  • Native sages (*Salvia* spp.)
  • Blanketflower (*Gaillardia* spp.)

Late-Season Bloom

  • Goldenrods (*Solidago* spp.)
  • Asters (*Symphyotrichum* spp.)
Because Eriogonum is a large genus, look for a species or cultivar that matches your conditions (especially winter moisture and soil drainage). When in doubt, choose one recommended for your area and plant it in the sunniest, best-drained spot you have.

GLOSSARY

Key Terms

A few quick terms you might see when shopping for or planting wild buckwheats:

Glossary terms are being added.

What You Can Do

Make a difference for native habitats.

Turn this knowledge into action. Whether you plant a single pot or a whole garden, you are building a vital bridge for local biodiversity.

Join the movement to restore our shared habitats.

Pollinators supported

Species that benefit from this plant

Bee flies (Family Bombyliidae)

Bee flies

Adults visit flowers for nectar and can move pollen between blooms; their presence is a sign of diverse, functioning habitats.

View pollinator profile
Brushfoots (Family Nymphalidae)

Brushfoots

Many brushfoots move pollen between flowers as they feed, and their caterpillars are part of healthy food webs.

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Bumble bees (Genus Bombus)

Bumble bees

Bumble bees are important pollinators of many wildflowers and garden plants, helping ecosystems and food crops reproduce.

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Clearwing moths (Family Sesiidae)

Clearwing moths

Adults can move pollen between blooms, and their presence can signal how healthy local plant communities are.

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Digger bees (Tribe Anthophorini (e.g., Anthophora))

Digger bees

They move pollen between flowers while feeding, helping wild plants and many garden plants set seed and fruit.

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Flower flies / hoverflies

Adults visit flowers for nectar and pollen, and many species’ larvae help keep plant-eating pests in check.

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Hawk / sphinx moths (Family Sphingidae)

Hawk / sphinx moths

They can move pollen between flowers while feeding on nectar, especially for blooms that open or scent up in the evening.

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Hummingbirds (Family Trochilidae)

Hummingbirds

They move pollen between flowers while feeding, helping many plants reproduce.

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Leafcutter bees (Genus Megachile)

Leafcutter bees

They move pollen between flowers while foraging, helping many wild plants and garden plants set seed and fruit.

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Long-horned bees (Tribe Eucerini)

Long-horned bees

They move pollen between flowers as they feed, supporting seed and fruit set in many wild plants and some crops.

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Long-nosed bats (Genus Leptonycteris)

Long-nosed bats

They move pollen between flowers over long distances, helping some plants set fruit and seed.

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Mason bees (Genus Osmia)

Mason bees

They move pollen between flowers while foraging, helping many wild plants and garden crops set seed and fruit.

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Mining bees (Genus Andrena)

Mining bees

They move pollen between flowers while foraging, helping many wild plants and garden plants set seed and fruit.

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Nectar-feeding bats (Subfamily Glossophaginae)

Nectar-feeding bats

They move pollen between flowers over long distances and help many plants set fruit and seed.

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Paper wasps (Genus Polistes)

Paper wasps

They can move pollen while drinking nectar, and they also help control many plant-eating insects.

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Silkmoths (giant moths) (Family Saturniidae)

Silkmoths (giant moths)

They’re part of healthy food webs and plant communities, and their caterpillars depend on a wide range of native trees and shrubs.

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Skippers (Family Hesperiidae)

Skippers

Skippers visit many flowers for nectar and can help move pollen between blooms while they feed.

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Small nectar moths (micro-moths) (Multiple families (varies))

Small nectar moths (micro-moths)

Many small moths move pollen while feeding on nectar, supporting wild plants and garden blooms—especially in the evening and at night.

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Soldier beetles (Family Cantharidae)

Soldier beetles

Many adults visit flowers and can move pollen between blooms, while also helping control some garden pests.

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Soldier flies (Family Stratiomyidae)

Soldier flies

Many adults visit flowers for nectar and can move pollen between blooms while feeding.

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Swallowtails (Family Papilionidae)

Swallowtails

Adult swallowtails visit many flowers for nectar and can help move pollen between blooms as they feed.

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Sweat bees (Family Halictidae)

Sweat bees

They help move pollen between flowers in gardens, parks, and natural areas, supporting seed and fruit production.

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Whites & sulphurs (Family Pieridae)

Whites & sulphurs

They visit a wide range of flowers for nectar and can help move pollen between blooms as they feed.

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Regions

Where this plant is native