Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Petasites

Species:

Petasites japonicus

USDA Symbol:

PEJA3

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

100 cm

Light Requirements:

Part Shade

Drought Tolerance:

Low

Bloom Months:

feb,mar,apr

Bloom Colors:

white, yellow

Ground Cover:

Yes

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

tolerates poor drainage

Moisture:

consistently moist

Notes:

prefers damp, shaded areas near streams

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–42 days

Notes:

Seeds require light for germination. Fresh seed germinates best; viability decreases with storage.

The above propagation data sourced from Claude AI