Arisaema tosaense
Arisaema tosaense
- Native to:
- Japan
iNaturalist: © mereldalebout (iNaturalist #216083959)






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