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CLETHRA alnifolia 'Pink Spires'
Commonly known as Summersweet, Sweet pepper bush, White alder
Delicate pink form
Plant Details
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Good to knowWildlife plant - insects, butterflies. Remove some of the old wood from the base in winter leaving the strongest suckers as replacement growth
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Pests & DiseasesNone
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Place of originEastern United States
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DeciduousOval, mid-green leaves to 10cm (4in) long
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Shades of pinkAll shades of pink through to Carmine (red)Soft-pink, non-fading flowers
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Bell/LanternBell-shaped flowers to 1cm (½in) across
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RacemesDense, upright, terminal racemes to 15cm (6in) long
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Fully hardy
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Serrulate
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Height2.5m (8ft)
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Spread2.5m (8ft)
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Tall ShrubUpright, suckering shrub
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Hardy - cold winterHardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F)
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Summer Seasonal Interest
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Bee friendly
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Butterfly friendly
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Mature Size2.5m (8ft)
2.5m (8ft)
Planting Tips and Care Advice
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Pruning group
Pruning group 1Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.
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Soil Conditions
Acid / ericaceous lovingFertile moist well-drained soilHumus-rich.
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Sun Requirements
Partial shadeOr dappled shade
Clethra - Growing Guide
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