Caryopteris × clandonensis Grand Bleu ('Inoveris'PBR)

RHS Plant Profile
bluebeard [Grand Bleu]

Synonyms

Caryopteris × clandonensis 'Inoveris'PBR

Plants for pollinators
Shrubs

A dense, bushy rounded shrub with regular growth, suitable for container growing. The deep blue flowers have long stamens, highlighted by the bright, dark green aromatic foliage and bloom abundantly from August through until October.

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
5–10 years
Max Spread
0.5-1 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
West–facing or South–facing
Exposure
Sheltered
Hardiness
H4

Colour & Scent

Fragrance Flower Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Lamiaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Caryopteris can be deciduous shrubs or perennials, with aromatic, simple leaves and small blue or white flowers in compact axillary clusters in late summer and autumn
Name Status
Trade

How to Grow

Cultivation

Plant in moderately fertile, well-drained soil in a sunny sheltered spot. Heat tolerant and some drought tolerance when established. Doesn't tolerate wet, poorly drained soil.

Propagation

Propagate by softwood cuttings or seeds grown in a cold frame

Suggested planting locations and garden types

  • Cottage and informal garden
  • Gravel garden
  • City and courtyard gardens
  • Coastal
  • Wildlife gardens
  • Low Maintenance
  • Flower borders and beds

Pruning

Cut weak stems to the base. Each spring, cut back to leave two leaf buds of old growth

Pests

May be susceptible to capsid bugs and mealybugs

Diseases

May be susceptible to honey fungus