Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Silphidium

Species:

Silphidium latifolium

USDA Symbol:

COLA7

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

250 cm

Light Requirements:

Part Shade

Drought Tolerance:

Medium

Bloom Months:

jul,aug,sep

Bloom Colors:

yellow

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies, birds

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts vigorously from deep taproot following fire. Adapted to prairie fire regimes.

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

5.5 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

consistently moist

Notes:

prefers fertile soils in prairies and meadows

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Cold stratification improves germination rates. Seeds may germinate without treatment but at lower percentages.

The above propagation data sourced from Claude AI