Bistorta vacciniifolia (syn. Persicaria)

Rock Knotweed

$16.00

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Rock Knotweed. A choice mounding groundcover we got at one of the best alpine plant nurseries on the planet, Aberconwy Nursery in Wales. Dense trailing and mounding red stems lavishly adorned with Aug-Sept spires of pink flowers and glossily petite deciduous leaves. Lovely spiller in containers. Probably hardier than the zone 7b we know to be true.

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Plant Type

  • Perennial / Bulb
  • Groundcover

Mature Size

4"-6" tall x 36"

Hardiness Zones

  • Zone 7b (5 °F)
  • Zone 8a (10 °F)
  • Zone 8b (15 °F)

Sun Exposure

  • Full Sun

Water Needs

  • Moderate

Bloom Time

  • Summer
  • Autumn

$16.00