Castor Aralia
Kalopanax septemlobus
- Native to:
- China, Japan, Korea, Kuril Is., Nansei-shoto, Russia
경빈마마 (blog.daum.net)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Araliaceae
- Genus:
- Kalopanax
- Species:
- Kalopanax septemlobus
- USDA Symbol:
- KASE
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Tree
- Height:
- 2500 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jul,aug
- Bloom Colors:
- white
Garden & Ecology Notes
- Wildlife Value:
- birds, bees
- Deer Resistant:
- Yes
- Fall Color:
- yellow
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
- Notes:
- prefers fertile soils with organic matter
Propagation & Germination
- Stratification:
- Warm then cold/moist stratification (double dormancy) — 120–180 days
- Germination Time:
- 30–90 days
- Notes:
- Seeds exhibit double dormancy requiring warm stratification followed by cold stratification. Germination can be erratic and may take two years.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Sow @ 4C for 3 weeks, then place @ 20C.