Leavenworth's Eryngo

Eryngium leavenworthii

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Apiaceae
Genus:
Eryngium
Species:
Eryngium leavenworthii
USDA Symbol:
ERLE11

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
90 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
High
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
purple, lavender

Wildlife Benefits

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

Reported Fauna Sightings

Bees: American bumble (Bombus pensylvanicus)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, birds
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Native to fire-maintained prairies; reseeds readily after fire disturbance.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Prefers open, sunny locations in prairies and plains

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds benefit from cold stratification. Light may aid germination.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: Claude AI