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Onychium japonicum (Carrot fern)

Skill rating
skill rating
Maintenance level
2 hours care
per year
Ultimate height
Max height
Ultimate spread
Max spread
Time to maturity
5-10 years
To maturity

Botanical name: Onychium japonicum

Other names: Carrot fern, Claw fern, Sichuan lace, Onychium japonicum 'Sichuan Lace', Japanese claw fern

Genus: Onychium

Species: 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

Foliage: Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn

Habit: Arching, Clump-forming, Upright

Watch out for

Pests: Generally pest free.

Diseases: Generally pest free.

General care

Pruning: Remove dead or damaged fronds as needed.. REGISTER to read more...

Propagation methods: Division, Spores. REGISTER to

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Onychium japonicum (Carrot fern) will reach a height of 0.4m and a spread of 1m after 5-10 years.

Suggested uses: Beds and borders, Foliage only, Greenhouse, Underplanting, Woodland

Cultivation: 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.

Soil type: Chalky, Loamy, Sandy

Soil drainage: Moist but well-drained, Moisture-retentive

Soil pH: Acid, Alkaline, Neutral

Light: Partial Shade

Aspect: North, South, East, West

Exposure: Sheltered

Hardiness: Hardy (H4), Tender in frost (H3)

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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...


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