Ribes x culverwellii
Jostaberry, Ribes nidigrolaria, Ribes x nidigrolaria 'Josta', Jostaberry currant, Ribes 'Josta'
Ribes Ribes
R. x culverwellii - R. x culverwellii is a blackcurrant x gooseberry hybrid. It is a thornless, deciduous, fruiting shrub with green leaves and heavy crops of black, rounded , sweet berries in summer.
Ribes x culverwellii is: Deciduous
Bushy, Upright
Insignificant or absent, Flushed red in Spring
Dark-green in Summer; Dark-green in Autumn
Aphids , Gall midges , Gall mites Aphids , Gall midges , Gall mites
This cultivar is resistant to powdery mildew.
Pruning is required to produce a stooled bush.
Hardwood cuttings
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Ribes x culverwellii (Jostaberry) will reach a height of 1.5m and a spread of 1.5m after 2-5 years.
Add to salads, Cottage/Informal
Easy to grow in most soils but not that are too acid or alkaline. Add compost or well-rotted manure and a general fertilizer. Self-fertile shrub.
Clay, Loamy, Sandy
Moist but well-drained, Well-drained
Neutral
Full Sun
North, South, East, West
Sheltered
Hardy (H4)
We do not currently have companion plants added for this plant.
Ribes x culverwellii
Jostaberry, Ribes nidigrolaria, Ribes x nidigrolaria 'Josta', Jostaberry currant, Ribes 'Josta'
Ribes Ribes
R. x culverwellii - R. x culverwellii is a blackcurrant x gooseberry hybrid. It is a thornless, deciduous, fruiting shrub with green leaves and heavy crops of black, rounded , sweet berries in summer.
Garden origin
Deciduous
Bushy, Upright
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Insignificant or absent, Flushed red in Spring
Dark-green in Summer; Dark-green in Autumn
Aphids , Gall midges , Gall mites
This cultivar is resistant to powdery mildew.
Pruning is required to produce a stooled bush.
Hardwood cuttings
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Ribes x culverwellii (Jostaberry) will reach a height of 1.5m and a spread of 1.5m after 2-5 years.
Add to salads, Cottage/Informal
Easy to grow in most soils but not that are too acid or alkaline. Add compost or well-rotted manure and a general fertilizer. Self-fertile shrub.
Clay, Loamy, Sandy
Moist but well-drained, Well-drained
Neutral
Full Sun
North, South, East, West
Sheltered
Hardy (H4)
Zone 8, Zone 7, Zone 6
Ribes x culverwellii (Jostaberry)
Japanese fruit scale; Mulberry scale; White peach scale
Pseudaulacaspis pentagona
Insect
Absent
4
3
Scale insect which in favourable conditions may kill trees. There have been a number of findings in the UK but some uncertainty about whether the pest is established. Stakeholder organisations may wish to monitory for its presence.
Ribes x culverwellii (Jostaberry)
Japanese rust of white pine; Japanese white pine rust
Cronartium kamtschaticum
Fungus
Absent
1
3
A species of confused taxonomy that is considered to be synomynous with the European species Cronartium ribicola; and is unlikely to cause more damage than this species if introduced. Statutory action will be taken on findings on plant material of non-European origin in line with current EU regulations.
Ribes x culverwellii (Jostaberry)
Cherry rasp leaf (in part) (European); Gooseberry leaf distortion; Lloyd George raspberry yellow blotch disease; Pfeffinger disease of cherry; Redcurrant ringspot; Ringspot diseases of raspberry; strawberry and flowering currant; RRSV; Spoon leaf of redcurrant (Netherlands)
Raspberry ringspot virus
Virus or Viroid
Present (Limited)
1
3
Pest present in the UK; risk of spread is mitigated by industry certification scheme.
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: | Moist but well-drained, Well-drained | Tell us... |
Soil pH: | Neutral | Tell us... |
Light: | Full Sun | Tell us... |
Aspect: | North, South, East, West | Tell us... |
Exposure: | Sheltered | Tell us... |
Hardiness: | Hardy (H4) | Tell us... |
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