Alphabetical Plant Listing

Persicaria microcephala 'Red Dragon' (Knotweed)

Knotweed 'Red Dragon'


Well-behaved, Persicaria microcephala 'Red Dragon' (Knotweed) is a vigorous, clump-forming, semi-evergreen perennial boasting lance-shaped, burgundy leaves adorned with a bold blue-gray chevron in their center when young. As they mature, they turn silver-purple and finally green. From midsummer to early fall, tiny white flowers cluster at the tips. A dense groundcover, spreading less quickly than the species.

  • Grows up to 30-36 in. tall and wide (75-90 cm). This plant will get bigger over time but does not run.
  • Thrives in moderately fertile, moist, well-drained soils in full sun to part shade. Soils should be kept evenly moist.
  • A welcomed addition to beds and borders, cottage gardens or mixed containers.
  • Virtually pest and disease free. Deer and rabbit resistant.
  • Cut back in fall.
  • Propagate by stem tip cuttings or by division.

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Requirements

Hardiness 6 – 8
Plant Type Perennials
Plant Family Persicaria - Fleeceflowers
Exposure Full Sun, Partial Sun
Season of Interest Summer (Mid,Late)
Fall
Height 2' – 3' (60cm – 90cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 30" – 36" (75cm – 90cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy, Semi-Evergreen
Tolerance Deer, Rabbit
Garden Uses Banks and Slopes, Beds and Borders, Ground Covers, Ponds and Streams
Garden Styles Coastal Garden, Informal and Cottage, Prairie and Meadow

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Mizy, Shutterstock

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 6 – 8
Plant Type Perennials
Plant Family Persicaria - Fleeceflowers
Exposure Full Sun, Partial Sun
Season of Interest Summer (Mid,Late)
Fall
Height 2' – 3' (60cm – 90cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 30" – 36" (75cm – 90cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy, Semi-Evergreen
Tolerance Deer, Rabbit
Garden Uses Banks and Slopes, Beds and Borders, Ground Covers, Ponds and Streams
Garden Styles Coastal Garden, Informal and Cottage, Prairie and Meadow

Great Plant Combination Ideas with Persicaria - Fleeceflowers

Guides with Persicaria - Fleeceflowers

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