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CERATOSTIGMA willmottianum
Commonly known as Shrubby plumbago
Clear blue
Further Reading....
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DeciduousLance-shaped to obovate, bristly, mid- to dark-green, purple-margined leaves to 5cm (2in) long. Red in autumn.
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BluePale to mid-blue with purple-red tubes -
Height1m (39in) -
Spread1.5m (5ft)
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Medium shrubTypically grow to around 4-6 feet in heightOpen-branched, spreading shrub with slender stems
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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) -
Full sun
CERATOSTIGMA willmottianum
- Details
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
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Additional Features
Pests & DiseasesPowdery mildew.
Place of originWestern China.Resistant to honey fungusThese plants have little or few problems with honey fungus. -
Flower ShapeSpikesFlowers to 2.5cm (1in) across in axillary and terminal spike-like clustersTubular
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Garden Location/ConditionsBorderSuitable for a sheltered, sunny border
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HardinessFully hardy
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Leaf margin
Serrulate(see photos above) -
Leaf shape
Lanceolate
(see photos above)
Obovate(see photos above) -
Pruning group
Pruning group 7Suitable for: Evergreen shrubs that flower on previous year's growth in Spring, or current year's growth in late Summer/Autumn.
Action: Cut back flowered shoots to within 1 inch of previous year's growth.
When: Annually after flowering or in Spring if flowering on current year's growth.
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Seasonal InterestAutumn
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Soil ConditionsMedium to light, fertile, well drained soil
Jan
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Ceratostigma - Growing Guide
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1m (39in)
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1.5m (5ft) |
Buy Varieties of CERATOSTIGMA willmottianum
CERATOSTIGMA willmottianum 'Forest Blue'
Shrubby plumbagto
bright blue flowers in late summer and good autumn colour
Gift-wrapping available
individually £15.00 each , 3+ £13.00 each
CERATOSTIGMA willmottianum 'Sapphire Ring'
Shrubby plumbago
yellow-gold foliage and blue flowers. Compact tidy habit
Gift-wrapping available
individually £15.00 each , 3+ £13.00 each
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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