Buddleja davidi


B.‘Dubonnet’ is one of the older B. davidii cultivars; it once enjoyed much commercial success, but became eclipsed by later releases,

Dark purplish flowers with an orange eye and unremarkable green leaves, it has been has in our Propagate To Order list for many years.


A very old cultivar possible pre-war of unknown origin. If anyone is able to provide any information on the origin please contact us.



  • Flower Colour: Darkish purple with an orange eye
  • Habit: Upright
  • Eventual height: 180-210cm (6-7ft) Spread: 120-150cm (4-5ft)
  • Hardiness: Very hardy - 20°C USDA zones 5-9
  • Leaf colour: Medium green
  • Flowering: The flowers are 20-25cm (8-9") in length
  • Fragrance: Scented
  • Situation: Prefers a sunny position
  • Wildlife: Good for bees and butterflies
  • Later in the year some close up images of the flowers and leaves will be added along with a botanical description.

Project Details



Place of Origin

Central China, west China and Japan

Plant Heritage

Accession Number B042

All details of our collection are held on the main Plant Heritage database including plant name, accession number, date of accession and plant source.


15 Buddleja were awarded an AGM  at the 2008-10 Wisley Trial.  It was mainly the  Buddleja davidii that were judged but we have many others in our 160+ collection which are worthy winners.

  • Genus Buddleja
  • Species Buddleja
  • Cultivar 'Dubonnet’
  • Category semi - deciduous Shrub
  • Colours and sizes are approximate and are intended as a guideline, cultivation notes should be followed

Find out more about soil feeding, pruning and pest control.

Cultivation of Plants