Arisaema

Arisaema heterophyllum

Native to:
China, Hainan, Japan, Korea, Taiwan

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Araceae
Genus:
Arisaema
Species:
Arisaema heterophyllum
USDA Symbol:
ARHE8

Growth Characteristics

Height:
60 cm
Light Requirements:
Part Shade
Drought Tolerance:
Low
Bloom Months:
may,jun
Bloom Colors:
green, purple

Garden & Ecology Notes

Wildlife Value:
small mammals
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
Prefers shaded or semi-shaded areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–90 days
Notes:
Seeds require fresh collection and cold-moist stratification. Germination may be erratic and extended over multiple seasons.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20°C. Seed germinates within 3 months Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water for approximately 7 days. Discard water. * sow thinly, keep dry when dormant, leave in pot for 2 years

Source: Ontario Rock Garden & Hardy Plant Society