Bull Mountain Buckwheat

Eriogonum cronquistii

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Polygonaceae
Genus:
Eriogonum
Species:
Eriogonum cronquistii
USDA Symbol:
ERCR5

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
15 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul
Bloom Colors:
white, cream, yellow
Ground Cover:
Yes

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

Acmon blue (Plebejus acmon), Rita Blue (Euphilotes rita), Sheridan's green hairstreak (Callophrys sheridanii), Square-spotted blue (Euphilotes battoides)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Can resprout from woody caudex following fire in native sagebrush-steppe habitat.

Soil Requirements

Soil Type:
rocky, well-drained, calcareous soil
pH:
7.0 - 8.5 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to very dry
Notes:
native to arid, limestone-rich regions

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Germination Time:
14–60 days
Notes:
Cold stratification improves germination rates. Seeds require light for germination.

The above propagation data sourced from Claude AI