Aralia cordata 'Sun King'
Japanese spikenard 'Sun King', Udo 'Sun King'
Aralia Aralia
'Sun King' _ 'Sun King' is an upright, clump-forming, deciduous perennial bearing pinnate leaves with ovate to elliptic, toothed, yellow-green leaflets and, in summer, upright spikes of tiny white flowers followed by purple-black fruit.
Aralia cordata 'Sun King' is: Deciduous
Open branched, Spreading
White in Summer
Yellow-green in Spring; Yellow-green in Summer
Aphids Aphids
Generally disease-free.
Cut back to the ground after fruiting in autumn.
Propagate by seed when ripe or root cuttings and suckers. This plant is difficult to propagate and is therefore expensive.
Grafting, Seed, Root cuttings
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Aralia cordata 'Sun King' (Japanese spikenard 'Sun King') will reach a height of 1.2m and a spread of 1.2m after 2-5years.
Architectural, Low Maintenance
Grow in fertile, humus-rich, neutral to acid, moist soil in partial shade. Tolerates full sun if soil is kept consistently moist.
Clay, Loamy, Sandy
Moisture-retentive, Moist but well-drained
Acid, Neutral
Partial Shade
East, West
Sheltered
Hardy (H4)
Aralia cordata 'Sun King'
Japanese spikenard 'Sun King', Udo 'Sun King'
Aralia Aralia
'Sun King' _ 'Sun King' is an upright, clump-forming, deciduous perennial bearing pinnate leaves with ovate to elliptic, toothed, yellow-green leaflets and, in summer, upright spikes of tiny white flowers followed by purple-black fruit.
Deciduous
Open branched, Spreading
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White in Summer
Yellow-green in Spring; Yellow-green in Summer
Generally disease-free.
Cut back to the ground after fruiting in autumn.
Propagate by seed when ripe or root cuttings and suckers. This plant is difficult to propagate and is therefore expensive.
Grafting, Seed, Root cuttings
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Aralia cordata 'Sun King' (Japanese spikenard 'Sun King') will reach a height of 1.2m and a spread of 1.2m after 2-5years.
Architectural, Low Maintenance
Grow in fertile, humus-rich, neutral to acid, moist soil in partial shade. Tolerates full sun if soil is kept consistently moist.
Clay, Loamy, Sandy
Moisture-retentive, Moist but well-drained
Acid, Neutral
Partial Shade
East, West
Sheltered
Hardy (H4)
Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4, Zone 3
Aralia cordata 'Sun King' (Japanese spikenard 'Sun King')
Leaf spot: ginseng; Leaf spot: ornamentals
Alternaria panax
Fungus
Absent
3
4
A leaf spot disease; some commonly grown pot plants are hosts but main damage is to ginseng.
Aralia cordata 'Sun King' (Japanese spikenard 'Sun King')
pink wax scale; red was scale; ruby wax scale
Ceroplastes rubens
Insect
Absent
3
3
Based on its biology and low potential impact continued action on this pest in the UK would not be considered appropriate. It is likely to be of more concern to southern Member States of the EU; as it is an economic pest of citrus.
Aralia cordata 'Sun King' (Japanese spikenard 'Sun King')
; mango aphid
Aphis odinae
Insect
Absent
2
3
Aphid pest unlikely to survive in the UK and considered to be little or no pytosanitary risk.
Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.
Traveling or importing plants? Please read "Don't risk it" advice here
Suspected outbreak? Click here for contact details to report to the relevant authority.
Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/
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This plant likes... | Garden match | |
Soil types: | Clay, Loamy, Sandy | Tell us... |
Soil drainage: | Moisture-retentive, Moist but well-drained | Tell us... |
Soil pH: | Acid, Neutral | Tell us... |
Light: | Partial Shade | Tell us... |
Aspect: | East, West | Tell us... |
Exposure: | Sheltered | Tell us... |
Hardiness: | Hardy (H4) | Tell us... |
By Andrew Wilson and Gavin McWilliam of the Wilson McWilliam Studio. Wellington College, one of the world’s leading co-educational independent schools, returns to the celebrated horticultural… read more
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