Arisaema tosaense

Arisaema tosaense

Native to:
Japan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Araceae
Genus:
Arisaema
Species:
Arisaema tosaense

Growth Characteristics

Growth Habit:
Geophyte
Height:
40 cm
Drought Tolerance:
Low
Bloom Months:
apr,may,jun
Bloom Colors:
green, purple

Garden & Ecology Notes

Wildlife Value:
small mammals
Deer Resistant:
Yes

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 60–120 days
Germination Time:
30–90 days
Notes:
Seeds require warm stratification followed by cold stratification to break double dormancy. May take two years to germinate in nature.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water for approximately 7 days. Discard water. * wash fresh seed in detergent; sow immediately; grow in alternating warm and cold cycles under lights for 2 seasons to bring to flowering size quickly

Source: Ontario Rock Garden & Hardy Plant Society