Japanese Hop
Humulus scandens
- Native to:
- China, Hainan, Japan, Korea, Nansei-shoto, Russia, Taiwan, Vietnam
Yoshikazu Takahira






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cannabaceae
- Genus:
- Humulus
- Species:
- Humulus scandens
- USDA Symbol:
- HUJA
Growth Characteristics
- Life Cycle:
- Annual | Perennial
- Growth Habit:
- Forb/herb , Vine
- Height:
- 600 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jul,aug,sep,oct
- Bloom Colors:
- green
Host Plant for Caterpillars
Question Mark (Polygonia interrogationis)
Garden & Ecology Notes
- Wildlife Value:
- birds
Soil Requirements
- Soil Type:
- fertile, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- good drainage preferred
- Moisture:
- consistently moist
- Notes:
- native to riverbanks and moist areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–28 days
- Notes:
- Seeds germinate readily in spring after cold stratification. Light may enhance germination.
The above propagation data sourced from Claude AI