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CEANOTHUS
Commonly known as Redroot, Santa Barbara ceanothus
Genus of about 55 species of deciduous and evergreen shrubs mostly from western North America, centring on California, but also from eastern America and Mexico.
Seeds can remain dormant for centuries and in nature the hard coats rely on fire for germination.
All are attractive to bees.
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EvergreenTightly clustered, small, dark-green leaves to 1cm (½in) long.
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Blue
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Height1.5m (5ft)
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Spread2m (6½ft)
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Medium shrubTypically grow to around 4-6 feet in heightDensely branched, spreading shrub with rigid shoots. Flowers in small lateral and terminal cymes to 2cm (¾in) across.
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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 sunWith shelter from cold winds. Most do well trained against a wall.
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Additional FeaturesGood to knowWildlife plant - insectsPests & Diseaseshoney fungus.Place of originUSA (California). Purportedly developed in UK from seed brought back from California at the time of the goldrush, 1848-55.
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HardinessFrost hardy (down to -5)
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Seasonal InterestSpring
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Soil ConditionsFertile well drained soilTolerates allCan be lime tolerant but leaves may become chlorotic on shallow chalk soils.
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WildlifeBee friendlyButterfly friendlyRabbit Resistant
1.5m (5ft)
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2m (6½ft) |
Buy Varieties of CEANOTHUS
CEANOTHUS arboreus 'Trewithen Blue'
largest blue
CEANOTHUS 'Autumnal Blue'
sky blue flowers, glossy foliage
CEANOTHUS 'Blue Mound'
dense clusters of bright blue flowers
CEANOTHUS 'Burkwoodii'
bright blue
CEANOTHUS 'Cascade'
deep blue
CEANOTHUS 'Concha'
deepest blue California lilac. A most striking plant
CEANOTHUS 'Dark Star'
small ovate leaves and honey scented deep purplish-blue flowers
CEANOTHUS 'Gloire de Versailles'
pale blue, deciduous
CEANOTHUS gloriosus 'Emily Brown
small toothed leaves and indigo flowers. Prostrate habit
CEANOTHUS griseus 'Yankee Point'
strong blue
CEANOTHUS impressus 'Puget Blue
bright blue flowers, upright growing
CEANOTHUS 'Italian Skies'
sky blue flowers with dainty foliage
CEANOTHUS 'Marie Simon'
bushy, deciduous shrub with frothy, pink flowers
CEANOTHUS 'Perle Rose'
profuse bright rose-pink flowers, deciduous
CEANOTHUS thyrsiflorus 'Millerton Point'
(syn. C. ‘Point Millerton’) - vigorous, evergreen Californian lilac with creamy-white flowers in spring.