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Commonly known as Shrubby plumbago
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
Lance-shaped to obovate, bristly, mid- to dark-green, purple-margined leaves to 5cm (2in) long. Red in autumn.
Pale to mid-blue with purple-red tubes
Medium shrub Typically grow to around 4-6 feet in height
Open-branched, spreading shrub with slender stems
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)
Pests & Diseases - powdery mildew.
Place of origin
Resistant to honey fungus - These plants have little or few problems with honey fungus.
Spikes - flowers to 2.5cm (1in) across in axillary and terminal spike-like clusters
Frost hardy (down to -5)
Serrulate see photos above
Lanceolate see photos above
Pruning group 7
Suitable 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.
RHS group 10
Medium to light, fertile, well drained soil
Buy Varieties of CERATOSTIGMA willmottianum
Bright blue flowers in late summer and good autumn colour
Yellow-gold foliage and blue flowers. Compact tidy habit