Persicaria microcephala 'Red Dragon' (Knotweed 'Red Dragon')

Botanical name

Persicaria microcephala 'Red Dragon'

Other names

Knotweed 'Red Dragon', Fleeceflower 'Red Dragon'

Genus

Persicaria Persicaria

Variety or Cultivar

'Red Dragon' _ 'Red Dragon' is a vigorous, spreading, semi-evergreen perennial with narrowly heart-shaped, pointed, maroon or dark purple leaves with a prominent, silvery-white chevron marking and loose clusters of tiny white flowers from late summer into autumn.

Native to

Garden origin

Foliage

Deciduous

Habit

Cushion or Mound Forming, Spreading

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Colour

Flower

White in Summer; White in Autumn

Foliage

White, Variegated, Dark-red in Summer

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How to care

Watch out for

Pests

Generally pest-free.

Diseases

Generally disease-free.

General care

Pruning

Deadhead faded flowers spikes. Cut back after flowering.

Propagation methods

Division, Stem tip cuttings

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Monthly care advice

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Where to grow

Persicaria microcephala 'Red Dragon' (Knotweed 'Red Dragon') will reach a height of 0.5m and a spread of 0.9m after 2-5 years.

Suggested uses

Beds and borders, Cottage/Informal, Ground Cover, Low Maintenance, Prairie planting, Underplanting

Cultivation

Grow in any moist soil in sun or partial shade. Less invasive than the species.

Soil type

Clay, Loamy

Soil drainage

Moisture-retentive, Moist but well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

North, South, East, West

Exposure

Exposed, Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 8, Zone 7, Zone 6, Zone 5