Arisaema heterocephalum subsp. okinawaense

Arisaema heterocephalum subsp. okinawaense

Native to:
Nansei-shoto

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Araceae
Genus:
Arisaema
Species:
Arisaema heterocephalum subsp. okinawaense

Growth Characteristics

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

Garden & Ecology Notes

Deer Resistant:
Yes

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 90–120 days
Germination Time:
30–90 days
Notes:
Seeds require warm stratification followed by cold period. Fresh seed germinates best. May take two years for some seeds to germinate.

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