knotweed
Polygonum campanulatum
- Common Name: knotweed
- Species: Polygonum campanulatum
- Leaf Fall: deciduous
- Flower: pink flowers
- Best Season: summer
- Soil Suitability: good for moist soil
- Shelter Needs: needs good shelter
- Genus: Argyranthemum
- Plant Type: perennial flower
- Height: 80cm
- Features: Ferny Foliage
- Shade Tolerance: sun/partial shade
- Frost Resistance: fully hardy
- Copyright: Martin Hughes-Jones
