Rushleaf Eryngo

Eryngium petiolatum

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Apiaceae
Genus:
Eryngium
Species:
Eryngium petiolatum
USDA Symbol:
ERPE7

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug
Bloom Colors:
white, blue

Wildlife Benefits

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

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, beneficial insects
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers lowland areas with seasonal flooding

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–60 days
Notes:
Cold stratification improves germination rates. Seeds may germinate erratically over several weeks.

The above propagation data sourced from Claude AI

Pre-treatment: Seeds require 3 weeks of stratification at temperatures around 40 degrees Fahrenheit

Establishment: Seeds were collected using battery-powered hand vacs

Source: npn.rngr.net