Species Hybrids & Cultivars Protection below -10°C

x wardii

Buddleja x wardii is very rare in cultivation and bears characteristics from both of its parents. The pale lilac flowers are borne in spring. The species is not fully hardy and best grown in a pot and provided with winter protection.



B. x wardii is a naturally occurring hybrid between B. alternifolia and B. crispa found and collected in 1924 by Frank Kingdon-Ward from mountain riverbanks in the Xizang province of China. The hybrid was named in honour of Ward by the English botanist Cecil Victor Boley Marquand.

The hybrid occurs naturally at elevations of 3000-3600m.





  • Flower Colour: Pale lilac with orange throats
  • Habit: Shrub
  • Eventual height: 200cm (7ft)
  • Hardiness: Root hardy
  • Leaf colour: Pale green with grey hairs
  • Flowering: Spring
  • Fragrance:
  • Situation: Grow in a pot
  • Wildlife:

Project Details



Place of Origin

Central China, west China and Japan

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 x wardii
  • Category Semi tender 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