Onychium japonicum
Carrot fern, Claw fern, Sichuan lace, Onychium japonicum 'Sichuan Lace', Japanese claw fern
Onychium Onychium
O. japonicum - O. japonicum is a clump-forming, borderline hardy, deciduous fern with wiry, black stems bearing upright to arching, dark green, tripinnate fronds with feathery, finely-divided pinnae.
Onychium japonicum is: Deciduous
Arching, Clump-forming, Upright
Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn
Generally pest free.
Generally pest free.
Remove dead or damaged fronds as needed.
Division, Spores
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Onychium japonicum (Carrot fern) will reach a height of 0.4m and a spread of 1m after 5-10 years.
Beds and borders, Foliage only, Greenhouse, Underplanting, Woodland
Grow in moist but well-drained to moisture retentive soil in partial shade. Requires a sheltered site. Protect with a thick winter mulch or, if container grown, overwinter indoors.
Chalky, Loamy, Sandy
Moist but well-drained, Moisture-retentive
Acid, Alkaline, Neutral
Partial Shade
North, South, East, West
Sheltered
Hardy (H4), Tender in frost (H3)
We do not currently have companion plants added for this plant.
Onychium japonicum
Carrot fern, Claw fern, Sichuan lace, Onychium japonicum 'Sichuan Lace', Japanese claw fern
Onychium Onychium
O. japonicum - O. japonicum is a clump-forming, borderline hardy, deciduous fern with wiry, black stems bearing upright to arching, dark green, tripinnate fronds with feathery, finely-divided pinnae.
Deciduous
Arching, Clump-forming, Upright
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Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn
Generally pest free.
Generally pest free.
Remove dead or damaged fronds as needed.
Division, Spores
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Onychium japonicum (Carrot fern) will reach a height of 0.4m and a spread of 1m after 5-10 years.
Beds and borders, Foliage only, Greenhouse, Underplanting, Woodland
Grow in moist but well-drained to moisture retentive soil in partial shade. Requires a sheltered site. Protect with a thick winter mulch or, if container grown, overwinter indoors.
Chalky, Loamy, Sandy
Moist but well-drained, Moisture-retentive
Acid, Alkaline, Neutral
Partial Shade
North, South, East, West
Sheltered
Hardy (H4), Tender in frost (H3)
Zone 9, Zone 8, Zone 7
Onychium japonicum (Carrot fern)
Orchidophilus spp.
Insect
Absent
3
4
A pest of orchids spreading in trade. Currently absent from the UK and unlikely to establish outdoors. Could cause severe damage to hosts growing in protected cultivation.
Onychium japonicum (Carrot fern)
common blossom thrips; cotton bud thrips; tomato thrips
Frankliniella schultzei
Insect
Absent
2
3
Polyphagous glasshouse pest; present in many countries; single finding in UK.
Onychium japonicum (Carrot fern)
Rice leaf nematode; Strawberry crimp disease nematode; White tip nematode; White tip nematode of rice
Aphelenchoides besseyi
Nematode
Absent
2
3
Damaging nematode affecting rice crops and strawberry production in warmer climates; could potentially present a threat to strawberry production and ornamental production in protected environments. But modern production practices seem to reduce likelihood of impacts. Pest is also regulated at EU level; which reduces likelihood of entry.
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: | Chalky, Loamy, Sandy | Tell us... |
Soil drainage: | Moist but well-drained, Moisture-retentive | Tell us... |
Soil pH: | Acid, Alkaline, Neutral | Tell us... |
Light: | Partial Shade | Tell us... |
Aspect: | North, South, East, West | Tell us... |
Exposure: | Sheltered | Tell us... |
Hardiness: | Hardy (H4), Tender in frost (H3) | Tell us... |
My beautiful Oxfordshire garden was revitalised with the help of Mark Griffiths. Sheltered by old walls and high fences, the garden that surrounds my North Oxford home covers about 750 square metres. read more
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