Polygonum japonicum
Japanese Knotweed, Mexican Bamboo
Family: Polygonaceae Buckwheat
| Type | Perennial |
| USDA Hardiness range | 4A - 8B |
| Exposure | Full sun |
| Bloom color | Pink |
| Bloom time | Mid Summer to Early Fall |
| Water needs | Moist |
| Landscape uses | Container, ground cover, specimen, woodland garden |
| Height | 36" to 6' / 90cm to 1.80m |
| Spread | 0" to 36" / 0cm to 90cm |
| Growth rate | Fast |
| Persistence | Deciduous, broadleaf |
| Leaf color | Green |
| Fruit color | n/a |
| Soil type | Sandy, clay, loamy |
| Form | Upright or erect |
| Attributes and features | Attractive foilage |