PHILADELPHUS insignis
PHILADELPHUS insignis
Commonly known as Mock orange, Syringa
Panicles of cup-shaped flowers. One of the last species to flower which lasts on into July
£25.00 each
Full Plant Details - Sun/Soil & other attributes
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Good to know
Syn. P. 'Souvenir de Billiard'. One of the last to flower -
Pests & Diseases
Aphids, powdery mildew -
Place of origin
USA (California) -
Resistant to honey fungusThese plants have little or few problems with honey fungus.
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Deciduous
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Cup-shaped
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SingleRow of petals round conspicuous stamens - no more than 8 petals
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BorderSuitable for a shrub border
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Cottage garden
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Fully hardy
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Serrulate
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Ovate
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Height
3m (10ft) -
Spread
3m (10ft)
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Tall ShrubBushy shrub producing flowers 2cm (¾in) across in panicles of 15-20.
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Pruning group 2
Suitable for: Deciduous shrubs and trees that flower in Spring or early Summer on previous year's growth, including plants that produce new growth at or near ground level.
Pruning: Prune flowered shoots to strong buds. Cut back approximately 1/4 of old shoots to the base to promote replacement growth.
When: Annually, after flowering.
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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) -
Scented flowersFaintly scented
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Summer Seasonal Interest
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Fertile well drained soilModerately fertile
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Full sun
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Partial shade
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Bee friendly
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Rabbit Resistant
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Mature Size3m (10ft)
3m (10ft)
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Philadelphus - Growing Guide
