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CARYOPTERIS x clandonensis 'Heavenly Blue'

Commonly known as Blue beard, Blue spiraea

Deepest blue
Further Reading....
  • Deciduous
    slightly-toothed, grey-green leaves to 5cm (2in) long.
  • Blue
    Intense dark blue
  • Height
    1m (39in)
  • Spread
    1.5m (5ft)
  • Medium shrub
    Typically grow to around 4-6 feet in height
    Erect habit. Produces axillary or terminal cymes of flowers to 1cm (½in) across in late summer, early autumn
  • Hardy - average winter
    Hardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F)
  • Full sun
    In colder climates grow against warm wall.

CARYOPTERIS x clandonensis 'Heavenly Blue'

 
  • Additional Features
    Good to know
    Wildlife plant - insects, butterflies. Interestingly, many plants sold in the UK under this name may not be identical to the USA original.
    Pests & Diseases
    Capsid bugs.
    Place of origin
    Garden origin. USA. 1955. Wayside Gardens, Ohio.
    Resistant to honey fungus
    These plants have little or few problems with honey fungus.
  • Garden Location/Conditions
    Border
    Suits a mixed or shrub border
    Coastal / windswept
  • Hardiness
    Fully hardy
  • Leaf margin
    Serrulate
    (see photos above)
  • Leaf shape
    Lanceolate
    (see photos above)
  • Pruning group
    Pruning group 4
    Suitable for: Deciduous trees and shrubs that flower on current year's growth or are grown for winter stem effect.
    Pruning: Hard prune to a low permanent framework.
    When: Annually in early Spring.

  • Scented Plants
    Scented foliage
  • Seasonal Interest
    Autumn
    Summer
  • Soil Conditions
    Medium to light, fertile, well drained soil
  • Wildlife
    Bee friendly
    Butterfly friendly
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Caryopteris - Care Guide
1m (39in)
Medium Shrub - guide for size not form Watering Can
  1.5m (5ft)
 

Useful extras...

Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00

Fertilisers & Feeds - Empathy
Afterplant - Grow Your Own
AFTER PLANT GROW YOUR OWN seaweed is ready to use liquid concentrate that was specially formulated be used on all edible plants.
Only £8.00

Fertilisers & Feeds - Empathy
Afterplant - Tomatoes
AFTER PLANT TOMATO FEED Liquid Concentrate with Bio stimulant is a high potash liquid concentrate containing seaweed extract, plant derived amino acids and other nutrients specifically formulated to benefit tomatoes and greenhouse plants.
Only £8.00

Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
3 options from £3.00

Fertilisers & Feeds - Empathy
Rootgrow Ericoid mycorrhizal fungi
This specially adapted Rootgrow™ mycorrhizal fungi will boost the growth of acid-loving plants like rhododendrons, azaleas, heathers and blueberries. It contains ericoid and arbuscular mycorrhizal fungi, which are found in poor acidic soils where ericaceous plants naturally grow.
Only £7.50

Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants. Perfect used in conjunction with Rootgrow™.
Only £7.50

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