clematis 'jackmanii superba'

Size: 1 gallon staked
  • single, deep purple flowers
  • bloom time: all summer
  • late flowering 
  • flowers form on the terminal, 60-90cm of the current season's growth
  • some bloom as early as midsummer and continue into the fall. In early spring, prune each stem, leaving the lowest 2-3 buds
  • the new growth can be tipped back when it reaches about 30 cm, to induce better branching and flowering
  • zone 3 
  • height 2-4m 
  • spread 2-4m
  • colour deep purple
  • clematis grow best in a rich, moist to average, well-drained soil, in full sun
  • protection from intense, afternoon sun is beneficial
  • roots need a cool environment to thrive; it is recommended planting a ground cover or shallow rooted perennial to shade the roots
  • mulching is suggested
  • plant the crown 3-5cm below the soil's surface
  • clematis are slow to establish and initially need to be tied to a trellis or fence to begin climbing
  • full sun
  • attracts hummingbirds
  • fast growing 
  • rabbit resistant
  • deer resistant
  • long blooming
  • (image courtesy of NVK nurseries, NVK holdings inc.)