Overview
Caryopteris clandonensis 'Grand Bleu' is a compact, deciduous shrub shrub in the genus Caryopteris, part of the Lamiaceae family, with grey-green, aromatic foliage. Caryopteris clandonensis 'Grand Bleu' grows best in full sun, and tolerates well-drained soils and any pH. Its UK hardiness is rated H5. Suggested uses include borders, containers and wildlife gardens.
About
Caryopteris × clandonensis, the bluebeard, blue mist, blue-mist shrub, or blue spirea, is an artificial hybrid species of flowering plant in the family Lamiaceae. Its parents are Caryopteris incana and Caryopteris mongholica.
Wikipedia contributors, CC BY-SA 4.0 — Caryopteris × clandonensis
About the genus
Caryopteris is a genus of flowering plants in the family Lamiaceae. They are native to east Asia.
Wikipedia contributors, "Caryopteris", CC BY-SA 4.0 — Caryopteris
Growing conditions
Best soil and position for Caryopteris
- Sunlight
- full sun
- Soil type
- well-drained
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- moderate
- Aspect
- South-facing, West-facing
- Exposure
- sheltered
- UK hardiness
- H5
Plant details
Caryopteris clandonensis 'Grand Bleu' size, habit and characteristics
- Plant type
- shrub
- Habit
- Compact, Deciduous shrub
- Foliage
- Grey-green, Aromatic
- Suggested uses
- borders, containers, wildlife gardens
- Fragrance
- mildly aromatic foliage
Care notes
Pruning and caring for Caryopteris clandonensis 'Grand Bleu'
- Cultivation
- Plant in well-drained soil in full sun. Drought tolerant once established.
- Pruning
- Prune hard in early spring to encourage bushy growth and flowering.
- Propagation
- softwood cuttings
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
How do I grow Caryopteris clandonensis 'Grand Bleu'?
Plant in well-drained soil in full sun. Drought tolerant once established.
Where is the best place to plant Caryopteris clandonensis 'Grand Bleu'?
Caryopteris clandonensis 'Grand Bleu' prefers full sun. It suits sheltered positions.
What soil does Caryopteris clandonensis 'Grand Bleu' need?
Caryopteris clandonensis 'Grand Bleu' grows best in well-drained soil. It is happy in soil of any pH. Aim for soil that stays moderate.
How do I prune Caryopteris clandonensis 'Grand Bleu'?
Prune hard in early spring to encourage bushy growth and flowering.
Is Caryopteris clandonensis 'Grand Bleu' hardy in the UK?
Caryopteris clandonensis 'Grand Bleu' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Caryopteris clandonensis 'Grand Bleu'?
Softwood cuttings.