Giant Woollystar

Eriastrum densifolium

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Polemoniaceae
Genus:
Eriastrum
Species:
Eriastrum densifolium
USDA Symbol:
ERDE2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul,aug,sep
Bloom Colors:
blue, lavender

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Hummingbirds:
★☆☆☆☆ Documented hummingbird visits (GBIF)

Reported Fauna Sightings

Hummingbirds: Black-chinned Hummingbird (Archilochus alexandri) Moths:Hemaris thetis Butterflies:Argynnis callippe

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
May resprout or germinate from seed after fire in its native chaparral habitat.

Soil Requirements

Soil Type:
sandy, nutrient-poor, well-drained soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in arid, open areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds benefit from cold stratification for 30-60 days to improve germination.