Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Ranunculaceae

Genus:

Thalictrum

Species:

Thalictrum cooleyi

USDA Symbol:

THCO5

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

150 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

jun,jul,aug

Bloom Colors:

white, cream

Wildlife Benefits

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Caterpillar Keystone:

★★☆☆☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

butterflies

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Found in fire-maintained pine savannas and bogs; tolerates periodic fire and may benefit from reduced competition post-burn.

Soil Requirements

Soil Type:

moist, well-drained sandy loam

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

consistently moist

Notes:

prefers habitats like wet meadows and pine savannas

Propagation & Germination

Stratification:

Cold/moist stratification required — 60–90 days

Germination Time:

14–60 days

Notes:

Seeds require light for germination. Germination can be erratic.

The above propagation data sourced from Claude AI