St. Catherine's Lace

Eriogonum giganteum

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Polygonaceae
Genus:
Eriogonum
Species:
Eriogonum giganteum
USDA Symbol:
ERGI2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Subshrub
Height:
250 cm
Light Requirements:
Part Shade
Drought Tolerance:
High
Bloom Months:
may,jun,jul,aug,sep
Bloom Colors:
white, 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

Electra buckmoth (Hemileuca electra), Avalona hairstreak (Strymon avalona)

Reported Fauna Sightings

Bees: ⚠️Western honey bee (Apis mellifera) Hummingbirds: Costa's Hummingbird (Calypte costae)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, birds
Deer Resistant:
Yes
Salt Tolerant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from woody base after fire. Native to fire-prone coastal sage scrub and chaparral ecosystems.

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:
native to coastal scrub and chaparral areas

Propagation & Germination

Stratification:
None required
Germination Time:
14–30 days
Notes:
Seeds germinate readily without pretreatment. Fresh seed germinates best; viability decreases with age.

The above propagation data sourced from Claude AI