Hardy Buddleja Species & Cultivars


Buddleja caryopteridifolia has leaves shaped like a Caryopteris as its name implies. The lightly scented blue/purple flowers are borne on the previous year’s wood so the plant should be pruned immediately after flowering. Although hardy the plant will lose all of its leaves over winter in the UK.



Originally described from a flowering specimen collected by George Forrest in 1913 in Yunnan and named by Sir William Wright Smith in 1916; B. caryopteridifolia was not introduced to cultivation at this time. The original plants were raised at The Royal Botanic Gardens, Edinburgh from seed sent from George Forrest’s 1921 -23 expedition.

For a long time the species was included with B. crispa but advances in morphology and phenology have supported the rehabilitation of B. caryopteridifolia as a separate species.



  • Flower Colour: Blue
  • Habit: Upright shrub
  • Eventual height: 250cm (8ft)
  • Hardiness: Hardy
  • Leaf colour: Pale green
  • Flowering: Spring - early summer
  • Fragrance: Sweetly scented
  • Situation: Prefers full sun
  • Wildlife:

Project Details



Place of Origin

Yunnan Province and western China

Plant Heritage

Accession Number B085

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


  • Genus Buddleja
  • Species caryopteridifolia
  • Category Hardy Species 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