Bluebeard (Caryopteris x clandonensis), whole plant

Bluebeard

Caryopteris x clandonensis

Easy · Beginner friendly

About Bluebeard

Blue Mist Shrub is a compact deciduous subshrub growing 2-3 feet tall, a hybrid of Asian species prized for its clusters of misty blue flowers from late summer into fall—a rare color at that time of year. The aromatic gray-green foliage releases a spicy scent when brushed. Technically a woody perennial, it dies back partway in cold winters and is pruned hard in spring. A magnet for butterflies and bees, it fills the late-season pollinator gap when other flowers have faded.

  • Fragrant
  • Drought-tolerant
  • Deer-resistant
  • Pollinator-friendly
WATER
Regular
Top inch dry
LIGHT
Full sun
6+ hrs direct
HARDY
Hardy to -20°F (-29°C)
USDA hardiness zones 5–9

How to care for Bluebeard

Watering

  • Springevery 10 days
  • Summerevery 7 days
  • Fallevery 14 days
  • Winterevery 30 days

Soil · Rich & loamy

  • Top dressingBark mulch15%
  • Main mixRich loam + compost 3:170%
  • DrainageGravel15%

Use fully finished compost — fresh compost burns roots.

FERTILIZER

Balanced Feed 14-14-14

An even feed covers all three needs at once, keeping leaves, roots and blooms moving together with nothing pushed out of balance.

N33%P33%K33%
  • Nitrogen · Leaves
  • Phosphorus · Roots + Blooms
  • Potassium · Strength
  • Springevery 30 days
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At a Glance

  • Height2–4 ft (0.6–1.2 m)
  • Spread2–4 ft (0.6–1.2 m)
  • Flower colorBlue, Purple
  • Foliage colorGreen, Silver, Yellow
  • SoilLoamy, Well-drained, Sandy
  • LocationsYard

Bloom time

BLOOM CYCLE

Peak bloom

Aug–Oct

J
F
M
A
M
J
J
A
S
O
N
D

Misty blue flower clusters August to October; cut back hard in spring

Fragrance

MODERATE FRAGRANCE

Pungent aromatic sage-camphor scent when leaves are crushed.

Toxicity

No toxicity has been reported for this plant. Still, it is wise to keep pets from chewing on any houseplant.

Educational information, not medical or veterinary advice. If exposure is suspected, contact a doctor or veterinarian.

History

Illustrated historical scene for Bluebeard

Caryopteris x clandonensis originated around 1930 at Clandon Park in Surrey, England, where Arthur Simmonds crossed the Chinese C. incana with the Mongolian C. mongholica. The hybrid combined larger, denser flower clusters with hardier shrubby growth, giving gardeners a rare late-summer shrub with true blue flowers. Cultivars quickly followed: 'Arthur Simmonds' preserves the original line, 'Heavenly Blue' deepened the color, 'Dark Knight' brought violet-blue flowers from a Texas selection, and yellow-leaved forms such as 'Worcester Gold' and 'Sunshine Blue' widened the ornamental range.

The plant flowers on new wood from late summer into autumn, when bees and butterflies are hungry for nectar. It is usually cut back hard in spring, then rebounds into a compact aromatic shrub. Few woody plants offer this much blue at the dog days of summer.

Symbolism & meaning

What It Symbolizes

Bluebeard offers serenity in late summer's heat, its cool blue haze of bee-loved flowers a balm to gardens scorched by August. Each spring it returns reliably from winter dieback, an act of persistence that gardeners learn to trust the way one trusts old friends. It is proof that calm and durability can grow on the same modest woody stem.

  • Serenity — cool blue flowers evoke calm in late summer heat
  • Persistence — returns reliably each spring after winter dieback

Where the Name Comes From

'Caryopteris' from Greek 'karyon' (nut) and 'pteron' (wing), referring to winged fruit; 'clandonensis' for Clandon, Surrey.

Uses & Fun Facts

  • Late-summer blue flowers feed bees during nectar dearth
  • Aromatic gray foliage releases spicy scent when brushed
  • Compact subshrub for sunny mixed borders and edging

Related plants

More Caryopteris plants

Plants with similar care

Frequently asked questions

How often should I water Bluebeard?

In summer, water about every 7 days; in winter, about every 30 days. Adjust for heat, pot size and drainage.

How much light does Bluebeard need?

Full sun: 6+ hrs direct. Watch the leaves — scorching or stretching means the light needs adjusting.

Is Bluebeard toxic to cats or dogs?

No toxicity has been reported for this plant. Still, it is wise to keep pets from chewing on any houseplant. Educational information, not medical or veterinary advice. If exposure is suspected, contact a doctor or veterinarian.

Is Bluebeard easy to grow?

Yes — it is considered an easy, beginner-friendly plant.

When does Bluebeard bloom?

It typically blooms Aug–Oct in the Northern Hemisphere.

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