Caryopteris × clandonensis ‘Kew Blue’



Caryopteris × clandonensis ‘Kew Blue,’ also known as Bluebeard ‘Kew Blue,’ is a captivating deciduous shrub renowned for its striking ornamental characteristics. Originating from eastern Asia, this hybrid plant belongs to the Lamiaceae family, which includes aromatic herbs such as mint and lavender. ‘Kew Blue’ features an abundance of vibrant blue-violet flowers that bloom in late summer, creating a stunning visual display in the garden. Its aromatic grey-green foliage not only adds to its charm but also attracts pollinators like butterflies.

Drought-tolerant and thriving in well-drained soil and full sun, ‘Kew Blue’ Caryopteris is an excellent choice for xeriscaping and encouraging beneficial insects. Enhance your garden or landscape with the vibrant colours and textures of ‘Kew Blue’ Caryopteris.


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Origin: East Asia
Genus: Caryopteris
Species / Cultivar: clandonensis 'Kew Blue'
Common Name: Bluebeard

Plant Biography

Caryopteris × clandonensis ‘Kew Blue,’ or Bluebeard ‘Kew Blue,’ has a botanical history rooted in its hybrid origins. This plant is a result of crossbreeding Caryopteris species from eastern Asia, part of the Lamiaceae family that includes aromatic herbs like mint and lavender. ‘Kew Blue’ displays vibrant blue-violet flowers and aromatic grey-green foliage, likely resulting from selective hybridization to enhance its ornamental qualities. It stands as a testament to ongoing horticultural efforts to create visually appealing and garden-worthy plants, showcasing the dedication and creativity of plant enthusiasts and breeders in developing captivating ornamental varieties.

Caryopteris × clandonensis 'Kew Blue'
Soil: Well drained
Soil that does not show much signs of moisture, either visibly or when handled.
Growth Rate: Medium
Expect to see moderate growth during growing season.
Water Requirement: Low
Will grow in a drier position and is unlikely to need regular watering once established.
Maintenance: Low
Minimal skill or input needed beyond the basics, a very independent plant.
Situation: Full Sun
Wants direct, unfiltered sunlight most of the day, such as a south facing position.
Eventual Height: 0.5-1m
The plant's ultimate height in typical growing conditions.
Eventual Spread: 1-1.5m
The plant's ultimate spread in typical growing conditions.
Hardiness: Hardy
Survives unprotected in an average winter. May need protection in extreme long frosts.
Habit: Deciduous
Sheds all its foliage annually, so for a period of the year it will be without foliage.
Lifecycle: Perennial
This plant is persistant and does not die off after flowering. It will return each season indefinitely, if provided with suitable growing conditions.
Care & Size Guidance

Care & Size Guidance

Caring for Caryopteris × clandonensis ‘Kew Blue,’ or Bluebeard ‘Kew Blue,’ is simple. Plant it in full sunlight with well-draining, slightly acidic soil. Once established, it requires very little supplemental watering. Prune in late winter to maintain shape and promote new growth, and fertilise lightly in spring. Apply mulch to conserve moisture and suppress weeds. While it’s generally resistant to pests and diseases, regular monitoring is wise. These straightforward care practices will ensure the health and vibrancy of Bluebeard ‘Kew Blue’ in your garden.


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