Summer Ragwort

Ligularia dentata

Native to:
China, Japan, Myanmar

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Ligularia
Species:
Ligularia dentata
USDA Symbol:
LIDE8

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
120 cm
Light Requirements:
Part Shade
Drought Tolerance:
Low
Bloom Months:
jul,aug,sep
Bloom Colors:
yellow, orange

Garden & Ecology Notes

Wildlife Value:
butterflies, bees

Soil Requirements

Soil Type:
rich, moisture-retentive loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
prefers shaded areas near water sources

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Seeds require light for germination; surface sow and keep consistently moist.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.

Source: Ontario Rock Garden & Hardy Plant Society