Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Apiaceae

Genus:

Eryngium

Species:

Eryngium spinosepalum

USDA Symbol:

ERSP16

Growth Characteristics

Life Cycle:

Biennial | Perennial

Growth Habit:

Forb/herb

Height:

60 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

jun,jul,aug

Bloom Colors:

blue, white

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Host Plant for Caterpillars

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

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:

native to arid regions, prefers open, sunny habitats

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–42 days

Notes:

Seeds may germinate erratically; cold stratification improves germination rates.

The above propagation data sourced from Claude AI