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CARYOPTERIS x clandonensis 'Heavenly Blue'
Commonly known as Blue beard, Blue spiraea
Deepest blue
Further Reading....
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Deciduousslightly-toothed, grey-green leaves to 5cm (2in) long.
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BlueIntense dark blue
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Height1m (39in)
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Spread1.5m (5ft)
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Medium shrubTypically grow to around 4-6 feet in heightErect habit. Produces axillary or terminal cymes of flowers to 1cm (½in) across in late summer, early autumn
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Hardy - average winterHardy 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)
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Full sunIn colder climates grow against warm wall.
CARYOPTERIS x clandonensis 'Heavenly Blue'
- Details
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
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Additional FeaturesGood to knowWildlife plant - insects, butterflies. Interestingly, many plants sold in the UK under this name may not be identical to the USA original.Pests & DiseasesCapsid bugs.Place of originGarden origin. USA. 1955. Wayside Gardens, Ohio.Resistant to honey fungusThese plants have little or few problems with honey fungus.
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Garden Location/ConditionsBorderSuits a mixed or shrub borderCoastal / windswept
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HardinessFully hardy
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Leaf marginSerrulate
(see photos above) -
Leaf shapeLanceolate
(see photos above) -
Pruning groupPruning group 4Suitable 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.
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Scented PlantsScented foliage
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Seasonal InterestAutumnSummer
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Soil ConditionsMedium to light, fertile, well drained soil
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WildlifeBee friendlyButterfly friendly
Jan
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Caryopteris - Care Guide
1m (39in)
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1.5m (5ft) |
![CERATOSTIGMA willmottianum CERATOSTIGMA willmottianum](https://www.burncoose.co.uk/site/img/products/square/ceratostigma_willmottianum_993.jpg)
CERATOSTIGMA willmottianum
Shrubby plumbago
Available from £15.00
![CARYOPTERIS x clandonensis 'Kew Blue' CARYOPTERIS x clandonensis 'Kew Blue'](https://www.burncoose.co.uk/site/img/products/square/caryopteris_x_clandonensis_kew_blue_925.jpg)
CARYOPTERIS x clandonensis 'Kew Blue'
Blue spiraea, Blue beard
Available from £13.50
![PEROVSKIA atriplicifolia 'Blue Spire' PEROVSKIA atriplicifolia 'Blue Spire'](https://www.burncoose.co.uk/site/img/products/square/perovskia_atriplicifolia_blue_spire_3163s.jpg)
PEROVSKIA atriplicifolia 'Blue Spire'
Russian sage
Available from £13.50
![CARYOPTERIS x clandonensis 'Worcester Gold' CARYOPTERIS x clandonensis 'Worcester Gold'](https://www.burncoose.co.uk/site/img/products/square/caryopteris_x_clandonensis_worcester_gold_927a.jpg)
CARYOPTERIS x clandonensis 'Worcester Gold'
Blue spiraea, Blue beard
Available from £13.50
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https://www.burncoose.co.uk/site/UserFiles/Image/ComboPhotos/square/926_924_caryopteris_summer_sorbet_AND_caryopteris_heavenly_blue_01g.jpg)
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https://www.burncoose.co.uk/site/UserFiles/Image/ComboPhotos/square/924_1064_choisya_ternata_AND_caryopteris_heavenly_blue_01g.jpg)
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https://www.burncoose.co.uk/site/UserFiles/Image/ComboPhotos/square/924_7832_helianthus_lemon_queen_AND_caryopteris_heavenly_blue_01.jpg)
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https://www.burncoose.co.uk/site/UserFiles/Image/ComboPhotos/square/2588_924_lobelia_queen_victoria_AND_caryopteris_heavenly_blue_01.jpg)
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https://www.burncoose.co.uk/site/UserFiles/Image/ComboPhotos/square/924_3896_scabiosus_chile_black_AND_caryopteris_heavenly_blue_01.jpg)
![](
https://www.burncoose.co.uk/site/UserFiles/Image/ComboPhotos/square/194_924_3206_plant_combi_002~01.jpg)
![AGAPANTHUS 'Streamline' AGAPANTHUS 'Streamline'](https://www.burncoose.co.uk/site/img/products/square/agapanthus_streamline_194g.jpg)
AGAPANTHUS 'Streamline'
African blue lily, Lily-of-the-Nile, Love flower
Available from £15.00
![CARYOPTERIS x clandonensis 'Summer Sorbet' CARYOPTERIS x clandonensis 'Summer Sorbet'](https://www.burncoose.co.uk/site/img/products/square/Caryopteris_Summer_Sorbet.jpg)
CARYOPTERIS x clandonensis 'Summer Sorbet'
Blue spiraea, Blue beard
![CHOISYA ternata CHOISYA ternata](https://www.burncoose.co.uk/site/img/products/square/Choisya_ternata.jpg)
CHOISYA ternata
Mexican orange blossom
Available from £14.00
![HELIANTHUS 'Lemon Queen' HELIANTHUS 'Lemon Queen'](https://www.burncoose.co.uk/site/img/products/square/helianthus_lemon_queen_7832.jpg)
HELIANTHUS 'Lemon Queen'
Available from £13.50
![LOBELIA cardinalis 'Queen Victoria' LOBELIA cardinalis 'Queen Victoria'](https://www.burncoose.co.uk/site/img/products/square/lobelia_cardinalis_queen_victoria_2588.jpg)
LOBELIA cardinalis 'Queen Victoria'
Cardinal flower, Scarlet lobelia
Available from £13.50
![PHLOX paniculata 'White Admiral' PHLOX paniculata 'White Admiral'](https://www.burncoose.co.uk/site/img/products/square/phlox_paniculata_white_admiral_3206a.jpg)
PHLOX paniculata 'White Admiral'
Border phlox
Available from £12.50
![SCABIOSA caucasica 'Chile Black' SCABIOSA caucasica 'Chile Black'](https://www.burncoose.co.uk/site/img/products/square/scabiosa_caucasica_chile_black_3896h.jpg)
SCABIOSA caucasica 'Chile Black'
Scabious, Pincushion flower
Available from £13.50
Useful extras...
![](https://www.burncoose.co.uk/site/img/products/squaremedium/Vitax_Q4_6202.jpg)
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
![](https://www.burncoose.co.uk/site/img/products/squaremedium/grow_your_own_front_22.jpg)
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
![](https://www.burncoose.co.uk/site/img/products/squaremedium/tomatoe_front.jpg)
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
![](https://www.burncoose.co.uk/site/img/products/squaremedium/rootgrow_6203.jpg)
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
![](https://www.burncoose.co.uk/site/img/products/squaremedium/RootgrowEricoid_6204.jpg)
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
![](https://www.burncoose.co.uk/site/img/products/squaremedium/empathy-allpurpose_6208.jpg)
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