Caryopteris × clandonensis

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Caryopteris × clandonensis
'Heavenly Blue' cultivar
Habit
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Spermatophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Caryopteris
Species:
C. × clandonensis
Binomial name
Caryopteris × clandonensis
Synonyms[1]

Caryopteris mastacanthus var. clandonensis (A.Simmonds) C.H.Curtis

Caryopteris × clandonensis, the bluebeard, blue mist, blue-mist shrub, or blue spirea, is an artificial hybrid species of flowering plant in the family Lamiaceae.[1][2][3] Its parents are Caryopteris incana (from southern China, Taiwan, Korea, and Japan) and Caryopteris mongholica (from southern Siberia, Mongolia, and northern China).[1] A deciduous shrub reaching 1 m (3 ft), it has a number of cultivars, with seven having gained the Royal Horticultural Society's Award of Garden Merit.[4][5]

Cultivars

The following cultivars have gained the RHS Award of Garden Merit:[6]

  • 'Arthur Simmonds'
  • 'First Choice'
  • 'Heavenly Baby'
  • 'Lisaura' trade designation Hint of Gold
  • 'Lissilv' trade designation Sterling Silver
  • 'Summer Sorbet' (varigated)
  • 'Worcester Gold'

The following additional cultivars are readily available from commercial suppliers:

  • 'Dark Knight' (1.2m tall)[7]
  • 'Heavenly Blue'[8]
  • 'Inoveris' trade designation Grand Bleu[9]
  • 'Kew Blue'[10]
  • 'Lisspin' trade designation Pink Perfection[11]
  • 'Lissteph' trade designation Stephi[12]
  • 'White Surprise' (varigated)[13]

References

  1. "Caryopteris × clandonensis A.Simmonds". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 16 June 2026.
  2. "Caryopteris x clandonensis (CRBCL)". EPPO Global Database. European and Mediterranean Plant Protection Organization. 2026. Retrieved 16 June 2026. English; blue beard, blue mist, blue spirea, blue-mist shrub
  3. "Shrubs Caryopteris × clandonensis bluebeard". Find a plant. The Royal Horticultural Society. 2026. Retrieved 16 June 2026. Plants for Pollinators
  4. "Caryopteris". Plants. The Royal Horticultural Society. 2026. Retrieved 16 June 2026.
  5. "How to grow caryopteris". Plants. The Royal Horticultural Society. 2026. Retrieved 16 June 2026.
  6. "AGM Plants December 2024 © RHS – ORNAMENTAL" (pdf). RHS AGM Plants. The Royal Horticultural Society. December 2024. p. 19. Retrieved 16 June 2026.
  7. "Shrubs Caryopteris × clandonensis 'Dark Knight' bluebeard". Find a plant. The Royal Horticultural Society. 2026. Retrieved 16 June 2026. 23 suppliers
  8. "Shrubs Caryopteris × clandonensis 'Heavenly Blue' bluebeard". Find a plant. The Royal Horticultural Society. 2026. Retrieved 16 June 2026. 31 suppliers
  9. "Shrubs Caryopteris × clandonensis Grand Bleu ('Inoveris'PBR) bluebeard". Find a plant. The Royal Horticultural Society. 2026. Retrieved 16 June 2026. 10 suppliers
  10. "Shrubs Caryopteris × clandonensis 'Kew Blue' bluebeard". Find a plant. The Royal Horticultural Society. 2026. Retrieved 16 June 2026. 14 suppliers
  11. "Shrubs Caryopteris × clandonensis Pink Perfection ('Lisspin'PBR) bluebeard". Find a plant. The Royal Horticultural Society. 2026. Retrieved 16 June 2026. 11 suppliers
  12. "Shrubs Caryopteris × clandonensis Stephi ('Lissteph'PBR) bluebeard". Find a plant. The Royal Horticultural Society. 2026. Retrieved 16 June 2026. 9 suppliers
  13. "Shrubs Caryopteris × clandonensis 'White Surprise'PBR (v)". Find a plant. The Royal Horticultural Society. 2026. Retrieved 16 June 2026. 13 suppliers