Redroot Buckwheat
Eriogonum racemosum
- Native to:
- United States
iNaturalist: © bradgrimm (iNaturalist #100423014)






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