DIY Network

Gardener's Note: This plant can be invasive. For more information on the Japanese Knotwood and native alternatives, click on the following links.
www.invasive.org
www.se-eppc.org

• Perennial with variegated heart-shaped foliage
  
• Grows in any type of well-drained soil
  
• Grows in full sun to light shade
  
• Height: 4 feet; Width: Indefinite, invasive
  
• CAN BE INVASIVE
  
• Hardy in USDA zones 5-9:
  • Zone 5: Plant in spring; plant in full sun to light shade; mulch after planting; avoid contact with salt.
    
  • Zone 6: Plant in spring; plant in full sun to light shade; mulch after planting; avoid contact with salt.
    
  • Zone 7: Plant in spring; plant in full sun to light shade; provide supplemental water during dry spells.
    
  • Zone 8: Plant in spring; plant in full sun to light shade; provide supplemental water during dry spells.
    
  • Zone 9: Plant in spring; plant in full sun to light shade; provide supplemental water during dry spells.

• Deciduous to evergreen fern with new bronze colored foliage that changes to green
  
• Plant in moist to wet soil rich in organic matter
  
• Plant in partial to full shade
  
• Height: 18-24 inches; Width: to 18 inches
  
• Hardy in USDA zones 5-9:
  • Zone 5: Plant in spring to avoid winter heaving; plant in partial to full shade; mulch after planting and again before first frost; avoid contact with salt; water during dry periods; deciduous to semi-evergreen in this zone; remove dead foliage after frost; divide in spring every few years.
    
  • Zone 6: Plant in spring; plant in partial to full shade; mulch after planting and again before first frost; water during dry periods; deciduous to semi-evergreen in this zone; remove dead foliage after frost; divide in spring every few years.
    
  • Zone 7: Plant in spring or early fall; plant in partial to full shade; mulch after planting and again before first frost; water during dry periods; semi-evergreen to evergreen in this zone; remove dead foliage in fall; divide in spring every few years.
    
  • Zone 8: Plant in spring or early fall; plant in partial to full shade; mulch after planting and again in fall; water during dry periods; evergreen in this zone; remove dead foliage in fall or spring; divide in spring every few years.
    
  • Zone 9: Plant in spring or early fall; plant in partial to full shade; mulch after planting and again in fall; water during dry periods; evergreen in this zone; remove dead foliage in fall or spring; divide in spring every few years.