Product description
Persicaria Superba is a dependable perennial that brings soft, grey pink flower spikes to the garden from midsummer into autumn. Its muted tones create a gentle, natural look that works beautifully in relaxed borders, cottage style planting, and wildlife friendly spaces. The upright blooms sit above broad green foliage, adding subtle height and movement without overwhelming neighbouring plants.
Hard working and easy to grow, this non invasive ornamental Knotweed thrives in moist, well drained soil and copes well with a range of conditions, bringing gentle structure and a natural, relaxed feel to borders and containers. Supplied garden ready, it establishes quickly and develops into a graceful clump that adds movement and interest from summer into autumn.
Please Note: When purchasing plants, please consider that each live item is unique and may therefore differ from the images shown, which are for illustration purposes only. The plant will be supplied in a growers pot. Depending on season, some plants may be pruned back to encourage growth and deciduous plants may arrive without leaves.
Knotweeds
Persicaria 'Superba'
Persicaria 'Superba'
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Product description
Persicaria Superba is a dependable perennial that brings soft, grey pink flower spikes to the garden from midsummer into autumn. Its muted tones create a gentle, natural look that works beautifully in relaxed borders, cottage style planting, and wildlife friendly spaces. The upright blooms sit above broad green foliage, adding subtle height and movement without overwhelming neighbouring plants.
Hard working and easy to grow, this non invasive ornamental Knotweed thrives in moist, well drained soil and copes well with a range of conditions, bringing gentle structure and a natural, relaxed feel to borders and containers. Supplied garden ready, it establishes quickly and develops into a graceful clump that adds movement and interest from summer into autumn.
Please Note: When purchasing plants, please consider that each live item is unique and may therefore differ from the images shown, which are for illustration purposes only. The plant will be supplied in a growers pot. Depending on season, some plants may be pruned back to encourage growth and deciduous plants may arrive without leaves.
Give your plants the best start
Garden Plant Size Guide
Plants in larger pots can be multiple years older than their smaller counterparts with more mature root systems and foliage. This makes them able to thrive as a full size plant in your garden quicker than smaller alternatives.
The most common size of pot that garden plants come in are 9cm/1L/3L/5L this is in reference to the diameter at the top of the pot.
9cm potted plants still remain the most popular cost effective option though, they just may take a little patience to allow them to grow into full maturity once planted in your garden.
Plant specs, care guide & tips
Key features
Specifications
When to plant
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
Planting and period of interest times are general guidelines and may vary based on your location and conditions. For best results, consult local gardening resources.
Instructions
Top Tip
Remove faded flower stems regularly to keep Persicaria looking its best. Snipping away spent blooms encourages fresh growth, helps the plant maintain its natural shape, and prevents it from looking tired later in the season.
How to Water
Water Persicaria regularly during its first few weeks after planting to support strong early growth. Through the season, keep the soil lightly moist, especially in warmer weather, while avoiding waterlogging.
How to Plant
Plant Persicaria in moist, well‑drained soil in full sun or partial shade, spacing each plant around 40-50cm apart so it can form a healthy, natural clump. Set Knotweed at the same depth it was growing in its pot and firm the soil gently around the base to help it establish.
