Acer shirasawanum
Acer shirasawanum
- Native to:
- Japan
iNaturalist: © belvedere04 (iNaturalist #6520743)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Sapindaceae
- Genus:
- Acer
- Species:
- Acer shirasawanum
Growth Characteristics
- Growth Habit:
- Tree
- Height:
- 1500 cm
- Drought Tolerance:
- Medium
- Bloom Months:
- apr,may
- Bloom Colors:
- red, purple
- Landscaping Shrub:
- Yes
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Fall Color:
- red, orange, yellow
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–120 days
- Germination Time:
- 30–90 days
- Notes:
- Seeds germinate best after cold-moist stratification and may show irregular germination over extended periods.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Sow @ 20C for 3 months, then place @ 4C for 3 months. Requires soaking 24-48 hrs; discard floaters.