Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Polygonaceae

Genus:

Eriogonum

Species:

Eriogonum effusum

USDA Symbol:

EREF

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub , Subshrub

Height:

40 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

jun,jul,aug,sep

Bloom Colors:

white, yellow, cream

Landscaping Shrub:

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

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 base following fire; common in fire-maintained grassland and shrubland communities.

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

6.0 - 8.0 (neutral to slightly alkaline)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

thrives in arid, open habitats

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–90 days

Germination Time:

14–60 days

Notes:

Seeds benefit from cold stratification and may germinate erratically over several weeks.

The above propagation data sourced from Claude AI