My Plants List
Create your own plant list and get plant care reminders direct to your inbox!
My Plant Care
Get more detailed care advice, specific how-to guides and care reminder prompts right to your inbox!
My Garden Match
Check you are planting correctly with our unique garden match tool.
Did you know 30% of new plants purchased die within the first year because they are planted in the wrong place? Don't make that costly and upsetting mistake!
My Questions
Ask a question, make a comment and discuss plants and gardening!
My Plants List
Create your own plant list and get plant care reminders direct to your inbox!
 |
Beginner
skill rating |
 |
1m
max. spread |
 |
0.75m
max. height |
 |
5-10 years
to maturity |
 |
1 hour care
per year |
Botanical name: Persicaria bistorta 'Superba'
Other names: Knotweed 'Superba', Adderwortel
Sign up for your FREE ACCOUNT today or login to add this plant to your plants list
Genus: Persicaria
Variety or cultivar: 'Superba' _ 'Superba' is a mat-forming, semi-evergreen perennial with large, ovate foliage and spikes of large, white bottlebrush flowers from late-summer to early-autumn.
Persicaria bistorta 'Superba' is: Semi evergreen
Foliage: Green in Summer; Brown in Autumn; Brown in Winter
Habit: Creeping, Erect flower stem, Mat Forming
Awards: RHS AGM (Award of Garden Merit)
Persicaria bistorta 'Superba' (Knotweed 'Superba') will reach a height of 0.75m and a spread of 1m after 5-10 years.
Sign up for your FREE ACCOUNT today or login to match this plant to your garden
Suggested uses: Beds and borders, Bog garden, Cottage/Informal, Ground Cover, Low Maintenance, Waterside
Cultivation: Plant in any moist soil in sun or partial shade. Also likes a boggy, water edge position.
|
| Soil types: |
Clay, Loamy |
 |
| Soil drainage: |
Moist but well-drained |
|
| Soil pH: |
Acid, Alkaline, Neutral |
|
| Light: |
Partial Shade, Full Sun |
|
| Aspect: |
North, South, East, West |
|
| Exposure: |
Exposed, Sheltered |
|
| Hardiness: |
Hardy (H4) |
|
|
|
|
Discuss Persicaria bistorta 'Superba' (Knotweed 'Superba') with other Shoot members.
Sign up for your FREE ACCOUNT today or login to add a comment or question about this plant
We list 37 suppliers who tell us they sell Persicaria bistorta 'Superba' (Knotweed 'Superba'). In order to see the list you'll need to either register or log in as a full member.
Sign up for a FULL ACCOUNT today or login as a full member.
If you sell this plant and would like to add a link, please fill in this form.
"Wow! Very impressed and I have only registered 20 minutes ago. Hours of fun and expertise to come. "
