Species Hybrids & Cultivars Protection below -10°C


Buddleja colvilei forms a large shrub with large dark green leaves which are hairy when young. The enormous crimson flowers have a white throat and are the largest flowers of any hardy Buddleja. The plant is not fully hardy and is best grown against a south facing wall in a free draining soil where it can be protected from winter winds.



Discovered, named and described by botanist and director of Kew, Sir Joseph Hooker in 1855.

B. colvilei is native to S Xizang and Yunnan Provinces of China as well as Bhutan, India, Nepal and Sikkim where it grows in open forests, thickets and open places at elevations of 1600-4200m.



  • Flower Colour: Crimson with a white throat
  • Habit: Shrub
  • Eventual height: 250cm (8ft)
  • Hardiness: Requires winter protection
  • Leaf colour: Dark green
  • Flowering: Early summer
  • Fragrance:
  • Situation: South facing wall
  • Wildlife:

Project Details



Place of Origin

S Xizang and Yunnan Provinces in China plus Bhutan, India, Nepal and Sikkim.

Plant Heritage

Accession Number B102

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 colvilei
  • 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