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Species Hybrids & Cultivars Protection below -10°C

agathosma

B. agathosma is a deciduous shrub of sparse habit which, left unpruned, grows to a large size. Striking large deeply toothed leaves are initially white, owing to a dense coating of hairs, but ultimately appear greyish; the underside remains white and tomentose The heavily scented perfect flowers appear on the old wood before the leaves at the nodes of the previous year’s growth during April in the UK. The flowers are 12cm in length and pale lavender in colour. One of the parents of  the hardier B.‘Longstock Gem’

Here at Longstock it is over wintered in a unheated glass house but I have seen a specimen at Wisley Garden as a free standing sprawling shrub, against a wall at Stone Cottage Nursery and the garden writer Steven Lacy grows it in North Wales.

 History

Described and named in 1912 by the German botanist Dr. Friedrich Ludwig Emil Diels. The species was sunk into B. cripsa but modern taxonomic methods have re-established the origin species in its own right.

Endemic to the Yunnan Province of China where it grows in woodland clearings and at forest edges.

 

 

  • Flower Colour: lilac with a pale eye
  • Habit: large shrub best against a warm wall
  • Eventual height: 3-5 m 11-16ft
  • Hardiness: -10c possible lower protect young plants with fleece
  • Leaf colour: silverly grey
  • Flowering: early spring
  • Fragrance: sweetly scented
  • Situation: best against a wall in a sheltered position or in a large pot over winter cold glass
  • Wildlife: moderate bees

Project Details

FAMILY

Scrophulariaceae

Place of Origin

Yunnan Province of China

Plant Heritage

Accession Number B069

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 agathosma
  • 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