Shrub · Lamiaceae family
Bluebeard
Caryopteris × clandonensis
In short a 10-second read
Bluebeard (shrub) grows to 0.61–1 m tall and 0.4–0.91 m wide when mature. It grows best in full sun, in dry to average soil. It flowers in July–October; the flowers are blue. Hardy to −23 °C.
× spread 0.4–0.91 m
Where to plant
Sun, soil, frost.
It grows best in full sun, in dry to average soil. Hardy to −23 °C.
Sun
Elsewhere it will grow less well.
Soil and water
dry to average · watering: little
Soil: loamy, sandy
Frost
It copes with a normal winter outdoors.
How much space it takes
Mature size.
The mature plant next to a person (175 cm).
Next to a person
Reaches maturity in about 5–10 years. The final size depends on the cultivar and the spot — we give the range from smallest to largest.
Calendar
What to do and when.
Months for Central Europe. The line shows the current month.
The year at a glance
Flowers
July–October · blue
Pruning
cut back by a third (March–April)
Planting
container plant: October–April
What to combine it with
Same needs, different flowering.
They share the same sun and soil and flower in other months — so the bed flowers for longer.
Frequently asked
Quick answers.
When does Bluebeard flower?
In July–October; the flowers are blue.
Does Bluebeard tolerate shade?
No, it needs full sun.
How much space does Bluebeard need?
At maturity 0.4–0.91 m wide and 0.61–1 m tall; recommended spacing 71 cm.
Where the data comes from
The data is indicative — we are still comparing it with further sources. Last checked 17 October 2026.
Show sources (21)
- NC State Extension Gardener Plant Toolbox — Caryopteris x clandonensis
- Foerster-Stauden Shop — Caryopteris x cland. 'Heavenly Blue'
- Lorberg Baumschulen — Caryopteris clandonensis 'Heavenly Blue'
- Bamberger Staudengarten Strobler — Caryopteris clandonensis 'Heavenly Blue'
- RHS Plant Finder — Caryopteris × clandonensis 'Heavenly Blue'
- Bruns Pflanzen — Caryopteris clandonensis 'Arthur Simmonds'
- Gärtnerei Strickler — Caryopteris clandonensis 'Kew Blue'
- Wikidata (CC0) — Caryopteris × clandonensis
- GBIF Species Match / backbone — Caryopteris x clandonensis
- GBIF Occurrence Search API — Caryopteris × clandonensis
- RHS - Caryopteris × clandonensis
- RHS - Shrubs: pruning summer- or autumn-flowering
- RHS - Trees and shrubs: planting
- Clemson HGIC - Planting Trees Correctly
- RHS - How to grow shrubs
- Invasive plant lists — this species is not on them: EASIN, Slovakia, Czechia, Germany, Poland, Denmark
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