Chinese Knotweed
Persicaria chinensis
- Native to:
- Bangladesh, Cambodia, China, Hainan, India, Japan, Jawa, Korea, Laos, Lesser Sunda Is., Malaya, Myanmar, Nansei-shoto, Nepal, Nicobar Is., Philippines, Sri Lanka, Sumatera, Taiwan, Thailand, Vietnam
George Muttathil Pulikurumba
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Polygonaceae
- Genus:
- Persicaria
- Species:
- Persicaria chinensis
- USDA Symbol:
- POCH6
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Subshrub
- Height:
- 200 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep,oct
- Bloom Colors:
- white, pink
Garden & Ecology Notes
- Wildlife Value:
- birds
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–28 days
- Notes:
- Seeds germinate readily in warm, moist conditions after cold stratification.
The above propagation data sourced from Claude AI