Knotweed
Persicaria decipiens
- Native to:
- Albania, Algeria, Angola, Australia, Baleares, Bangladesh, Benin, Botswana, Bulgaria, Burkina, Burundi, Cameroon, Canary Is., Cape Verde, Caprivi Strip, Central African Republic, Chad, Chatham Is., China, Congo, Corse, Cyprus, DR Congo, East Aegean Is., Egypt, Ethiopia, France, Gabon, Gambia, Ghana, Greece, Guinea, Gulf of Guinea Is., India, Iran, Iraq, Italy, Ivory Coast, Kenya, Kriti, Lebanon-Syria, Lesotho, Liberia, Libya, Madeira, Malawi, Mali, Morocco, Mozambique, Myanmar, Namibia, New Guinea, New Zealand, Niger, Nigeria, Norfolk Is., Palestine, Portugal, Rwanda, Sardegna, Senegal, Sicilia, Sierra Leone, Somalia, South Africa, Spain, Sri Lanka, Sudan-South Sudan, Tanzania, Togo, Tunisia, Türkiye, Türkiye-in-Europe, Uganda, Yemen, Zambia, Zimbabwe
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Polygonaceae
- Genus:
- Persicaria
- Species:
- Persicaria decipiens
- USDA Symbol:
- POSA23
Growth Characteristics
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jan,feb,mar,apr,may,jun,jul,aug,sep,oct,nov,dec
- Bloom Colors:
- pink, white
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies
Soil Requirements
- Soil Type:
- moist, fertile, loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wetlands and riverbanks