Plants > Perennials

thread-like Virginia knotweed

Persicaria virginiana var. filiformis

Genus: Persicaria
Family: Polygonaceae

About this plant

A clump-forming, deciduous herbaceous perennial to around 60cm with bright green foliage with burgundy-red 'V'-shaped markings. Upright red stems produce sprays of small red flowers in late summer. Seeds freely

Growing Information

Height

0.5-1 Metres

Spread

0.5-1 Metres

Hardiness

H6

Foliage

Deciduous

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

ClayChalkLoamSandy

pH

Acid

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Alkaline

Neutral

Moisture

Poorly Drained

Aspect

South FacingNorth FacingWest FacingEast Facing

Exposure

Exposed

Care Guide

Cultivation

Grow in moisture-retentive but well-drained soil in full sun or partial shade

Pruning

No pruning required

Propagation

Propagate by division in spring or autumn. Deadhead after flowering to avoid spread as seeds freely

Pests

Generally pest-free but may be susceptible to slugs and snails

Diseases

Generally disease-free

Garden Uses

Uses

Cottage InformalGround Cover

Planting Places

Outdoor

Season of Interest

SpringSummerAutumn

Size & Characteristics

Height

0.5-1 Metres

Spread

0.5-1 Metres

Habit

Clump Forming

Time to Full Height

Five To Ten Years