Persicaria ‘Superba’ – Vigorous, Long-Flowering Perennial with Elegant Pink Spikes
Persicaria ‘Superba’ is a robust, clump-forming perennial valued for its long-lasting display of soft pink flower spikes that rise above lush green foliage. Flowering from mid-summer into autumn, it brings movement, colour, and a naturalistic feel to borders and planting schemes.
This reliable variety is known for its excellent garden performance, forming a dense mound of foliage that suppresses weeds while producing an abundance of upright blooms that gently sway in the breeze. It’s particularly effective in informal, wildlife-friendly, and contemporary planting designs.
Why Choose Persicaria ‘Superba’?
Long Flowering Season
Produces elegant pink flower spikes from summer through to autumn.
Excellent Ground Coverage
Dense foliage helps suppress weeds and fill borders.
Great for Pollinators
Flowers attract bees and other beneficial insects.
Hardy & Reliable
Strong, resilient plant that performs well in a range of conditions.
Naturalistic Appeal
Perfect for softening borders and adding movement to planting schemes.
Size & Growth
Typically grows to around 90–120cm in height with a similar spread, forming a substantial clump over time.
Where to Plant
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Mixed Herbaceous Borders – Adds height, colour, and texture
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Wildlife Gardens – Ideal for pollinator-friendly planting
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Moist Areas – Thrives in damper soils or near water features
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Naturalistic Planting Schemes – Works beautifully in informal designs
Growing & Care Guide
Soil
Prefers moist, fertile soil but is adaptable to most soil types.
Light
Best in full sun to partial shade.
Watering
Keep well-watered, particularly in dry periods—performs best in consistently moist conditions.
Maintenance
Pruning
Cut back in late autumn or early spring once flowering has finished.
Feeding
Apply a general-purpose fertiliser in spring to encourage strong growth.
Mulching
Mulch annually to retain moisture and improve soil structure.
Pest & Disease
Generally trouble-free and very easy to grow.
Does the height include the pot?
No, we measure from the top of the pot to the tip of the plant except for some of the instant planted screens, in this case it will be stated in the description
How long does delivery take?
Most orders are delivered in just a few days, Smaller items are often sent with Parcelforce on a next day service, Larger items should allow up to 10 days due to the size of the items they often have to be sent on our own transport.
Where will you leave my plants?
We will leave your order at the front of your property, Parcelforce may
leave your items in a safe place if you let us know, Pallet couriers
will require a flat hard surface to deliver to, no gravel or soil, a
driveway or parking spot would be best. Most importantly Deliveries by
pallet courier will require access for a large truck (bin lorry sized)
to get near the delivery point. Deliveries sent on our own transport may come in a small van or larger truck.