• Alcea rosea 'Blacknight' (200294)
  • Alcea rosea 'Blacknight' (025791)
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Alcea rosea 'Blacknight'

Hollyhock

  • · Deep black-purple, single flowers on tall stalks
  • · Cultivar is truly perennial—not biennial!!
  • Height: 4-6 ft
  •   ·  
  • Spread: 10-12 in
  •   ·  
  • Zone: 4 - 9
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