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ROBINIA x slavinii 'Hillieri'
Commonly known as False acacia
Spiny small tree. Wisteria-like, slightly fragrant flowers and feathery foliage
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 knowR hispida var. kelseyi x R. pseudoacacia
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Pests & DiseasesNone
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Place of originGarden origin. UK. 1930s. Hillier's Nurseries, Hants.
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Deciduousdark green leaves to 20cm (8in) long, composed of up to 19 ovate leaflets
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Shades of pinkAll shades of pink through to Carmine (red)Lilac pink
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Racemes
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Fully hardy
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Pinnate
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Entire
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Ovate
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Height10m (33ft)
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Spread10m (33ft)
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Tall Shrub
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TreeOpen, rounded, spiny tree or large shrub with bristly young branches. Produces lilac-pink to dark pink flowers 2cm (¾in) long in pendent racemes to 15cm (6in) long followed by brown, warty seedpods
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Hardy - very cold winterHardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F)
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Scented flowersSlight fragrance
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Spring Seasonal Interest
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Summer Seasonal Interest
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harmful if eatenPeople and pets, i.e. cats, dogs, rabbits, rodents
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skin irritantPeople and pets, i.e. cats, dogs, rabbits, rodents
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Rounded to broadly spreading
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Mature Size10m (33ft)
10m (33ft)
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
Fertile moist well-drained soilModerately fertileWell drained, dry, poor to moderately fertile soilWill tolerate poor, dry soil
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Sun Requirements
Full sun
Robinia - Growing Guide