Redroot Buckwheat

Eriogonum racemosum

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Polygonaceae
Genus:
Eriogonum
Species:
Eriogonum racemosum
USDA Symbol:
ERRA3

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
90 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
white, pink

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Pollen Specialist Bee Keystone:
★★★★☆ Native pollen specialist bee species supported by this genus (NWF)

Host Plant for Caterpillars

Spalding's blue (Euphilotes spaldingi)

Reported Fauna Sightings

Butterflies:Spalding's blue (Euphilotes spaldingi)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, birds
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from woody caudex after fire. Common in fire-prone sagebrush and pinyon-juniper communities.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Prefers open, sunny locations in native habitat

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Germination Time:
14–60 days
Notes:
Seeds benefit from cold stratification. Light may improve germination rates.

The above propagation data sourced from Claude AI

Pre-treatment: 6 prechilling treatments were used: 0,2,4,8,12,16 and 24 weeks of moist chilling at 2C in the dark. An 8 week prechill is required to break dormancy.

Establishment: E. racemosum flowers in mid to late summer and seeds ripen in late August to late September, depending on elevation. It is found in the Southern Rocky Mountain states.

Source: npn.rngr.net