Are you looking for more information about Persicaria amplex. 'September Spires'? The Persicaria amplex. 'September Spires' is also known as Knotweed. This Polygonaceae has got a maximum height of approximatly 100 centimetres. The Persicaria amplex. 'September Spires' is not evergreen. Do you want to have more information or tips about the Persicaria amplex. 'September Spires'? You're welcome to visit our garden centre but please remember: depending on the season we might not have this Knotweed in stock right now!
- Common name: Knotweed Scientific name: Persicaria amplex. 'September Spires' Plant type: Perennial
- Genus: Persicaria Family: Polygonaceae Flower colour: Purple
- Leaf colour: Green Variegated leaf: No Flowering period: July, August, September, October
- Moisture: Dry - moisture retentive Sun / shade: Sun Evergreen: No
- Height in CM: 100 Hazardous: No