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Shrub · Lamiaceae family

Bluebeard

Caryopteris × clandonensis

Full sun 0.61–1 m × 0.4–0.91 m Flowers July–October to −23 °C
Flower colours Click a colour

In short a 10-second read

SunFull sun
Size0.61–1 m
spacing 71 cm
FlowersJuly–October
PlantingApril–May
PruningMarch–April
Care levelModerate care

Where to plant and how much to water

Sun, soil and water.

It grows best in full sun, in dry to average soil.

Sun

Sun6 hours or more
Part shade3–6 hours
Shadeunder 3 h

Soil

tolerates any pH
acidicneutralalkaline
dry to averageloamysandy

Watering

drought tolerant once establishedless when it rains

Frost

−23 °C

How much space it takes

Mature size.

The mature plant next to a person (175 cm).

50 cm1 m1.5 m0.61–1 mspread 0.4–0.91 m
0.61–1 m× spread 0.4–0.91 m

Plant 71 cm apart.

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

Through the year.

Months for Central Europe. The line shows the current month.

The year at a glance

Flowers: JanuaryFlowers: FebruaryFlowers: MarchFlowers: AprilFlowers: MayFlowers: JuneFlowers: JulyFlowers: AugustFlowers: SeptemberFlowers: OctoberFlowers: NovemberFlowers: DecemberPlanting: JanuaryPlanting: FebruaryPlanting: MarchPlanting: AprilPlanting: MayPlanting: JunePlanting: JulyPlanting: AugustPlanting: SeptemberPlanting: OctoberPlanting: NovemberPlanting: DecemberFeeding: JanuaryFeeding: FebruaryFeeding: MarchFeeding: AprilFeeding: MayFeeding: JuneFeeding: JulyFeeding: AugustFeeding: SeptemberFeeding: OctoberFeeding: NovemberFeeding: DecemberPruning: JanuaryPruning: FebruaryPruning: MarchPruning: AprilPruning: MayPruning: JunePruning: JulyPruning: AugustPruning: SeptemberPruning: OctoberPruning: NovemberPruning: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
FlowersPlantingFeedingPruning
Now, in October: nothing to do — the next job is in March.
JanFebMarAprMayJunJulAugSepOctNovDec

Flowers

JanFebMarAprMayJunJulAugSepOctNovDec

July–October · blue

Planting

JanFebMarAprMayJunJulAugSepOctNovDec

container plant: April–May

Feeding

JanFebMarAprMayJunJulAugSepOctNovDec

May–June

Pruning

JanFebMarAprMayJunJulAugSepOctNovDec

hard pruning (March–April)

Feeding

Nutrition.

Horn meal

up to 40 g/m² a year, if the soil needs it · May–June

JanFebMarAprMayJunJulAugSepOctNovDec

Pruning

When and how to prune.

Months apply to Central Europe.

Bluebeard — Hard pruning

Hard pruning

MarApr
How to prunePrune hard: flowered shoots (back to strong young growth), dead, diseased and damaged wood. Note: do not prune in winter, frost damages new shoots.

Pests and diseases

Common problems and what to do.

The most common problems in Central Europe. Protection is listed from the gentlest option.

What you will see

Small holes with a brown edge in leaves near the shoot tips; leaves may be distorted.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
May–August

How to protect

  1. Prevention
    • tolerate the damage – plants often recover
    • remove unneeded alternative host plants
    • remove dead vegetation at the end of winter (overwintering sites)
  2. By hand May to Augusttolerate the damage, intervention is usually not needed
  3. Biological all seasonencourage birds and ground beetles (natural enemies)
Capsid bugspest · May–August

What you will see

Small holes with a brown edge in leaves near the shoot tips; leaves may be distorted.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
May–August

How to protect

  1. Prevention
    • tolerate the damage – plants often recover
    • remove unneeded alternative host plants
    • remove dead vegetation at the end of winter (overwintering sites)
  2. By hand May to Augusttolerate the damage, intervention is usually not needed
  3. Biological all seasonencourage birds and ground beetles (natural enemies)
More about this problem

What you will see

Root rot and dieback of the shrub; white fungal sheets under the bark at the base.

When to look

Mushrooms in late summer and autumn; mycelium in the soil all year

How to protect

  1. Prevention
    • do not plant in places with honey fungus
    • remove infected shrubs together with the roots
  2. By hand when presentdig out the infected shrub with its roots
Honey fungusdisease · mushrooms in late summer and autumn; mycelium in the soil all year

What you will see

Root rot and dieback of the shrub; white fungal sheets under the bark at the base.

When to look

Mushrooms in late summer and autumn; mycelium in the soil all year

How to protect

  1. Prevention
    • do not plant in places with honey fungus
    • remove infected shrubs together with the roots
  2. By hand when presentdig out the infected shrub with its roots
More about this problem
Sources (3)

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.

Capsid bugs — what can you do?

tolerate the damage – plants often recover tolerate the damage, intervention is usually not needed

Honey fungus — what can you do?

do not plant in places with honey fungus dig out the infected shrub with its roots

Sources (22) Checked 24 October 2026

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