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Osmunda regalis (Royal fern)

Intermediate
skill rating
2 hours care
per year
2.5m
Max height
1m
Max spread
5-10 years
To maturity

Plant details

Botanical name

Osmunda regalis

Other names

Royal fern, Rusty fern, Water fern, Osmund royal, King fern, Common flowering fern, Ditch fern, Buckhorn brake, Blooming fern, Herb christopher

Genus

Osmunda Osmunda

Species

O. regalis - O. regalis is a hardy fern, forming a large clump of bipinnate fronds with russet-brown spores at the tips. The fronds are flushed red in autumn.


Osmunda regalis is: Deciduous

Habit

Clump-forming, Spreading, Arching

Awards

RHS AGM (Award of Garden Merit)

Flower

Insignificant or absent in All seasons

Foliage

Dark-green in Summer; Flushed red, Brown in Autumn

How to care

Watch out for

General care

Pruning

Remove dead or damaged fronds.

Propagation methods

Division, Spores


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Where to grow

Osmunda regalis (Royal fern) will reach a height of 2.5m and a spread of 1m after 5-10 years.

Suggested uses

Cottage/Informal, Beds and borders, Low Maintenance, Underplanting, Wildflower, Foliage only, Roof terrace, Bog garden

Cultivation

Plant in most cool, moist, light shade. This plant will also grow in full sun if given plenty of moisture. Prefers acid or neutral soils, but will tolerate alkaline soils by adding lots of fibrous compost first. Can also tolerate very wet sites.

Soil type

Chalky, Clay, Loamy

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Shade, Full Sun

Aspect

North, South, East, West

Exposure

Exposed, Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Osmunda regalis

Other names

Royal fern, Rusty fern, Water fern, Osmund royal, King fern, Common flowering fern, Ditch fern, Buckhorn brake, Blooming fern, Herb christopher

Genus

Osmunda Osmunda

Species

O. regalis - O. regalis is a hardy fern, forming a large clump of bipinnate fronds with russet-brown spores at the tips. The fronds are flushed red in autumn.

Foliage

Deciduous

Habit

Clump-forming, Spreading, Arching

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Insignificant or absent in All seasons

Foliage

Dark-green in Summer; Flushed red, Brown in Autumn

General care

Pruning

Remove dead or damaged fronds.

Propagation methods

Division, Spores


Monthly care advice


Where to grow

Osmunda regalis (Royal fern) will reach a height of 2.5m and a spread of 1m after 5-10 years.

Suggested uses

Cottage/Informal, Beds and borders, Low Maintenance, Underplanting, Wildflower, Foliage only, Roof terrace, Bog garden

Cultivation

Plant in most cool, moist, light shade. This plant will also grow in full sun if given plenty of moisture. Prefers acid or neutral soils, but will tolerate alkaline soils by adding lots of fibrous compost first. Can also tolerate very wet sites.

Soil type

Chalky, Clay, Loamy

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Shade, Full Sun

Aspect

North, South, East, West

Exposure

Exposed, Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 9, Zone 8, Zone 7, Zone 6

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This plant likes... Garden match
Soil types: Chalky, Clay, Loamy Tell us...
Soil drainage: Moist but well-drained, Well-drained Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: Partial Shade, Full Shade, Full Sun Tell us...
Aspect: North, South, East, West Tell us...
Exposure: Exposed, Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

DISCUSS THIS PLANT

Osmunda regalis

does any one know what pests and diseases it has? read more

This plant is featured at Chelsea Flower Show 2009

Osmunda regalis (Royal fern) has also been used in The Foreign & Colonial Investments' Garden for Chelsea Flower Show 2009. read more

This plant is featured at Chelsea Flower Show 2009

Osmunda regalis (Royal fern) has been used in The HESCO Garden by Leeds City Council for Chelsea Flower Show 2009. read more

There are 5 active discussions about Osmunda regalis (Royal fern)

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ARTICLES WITH THIS PLANT

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Designed by garden designer Helen Elks-Smith MSGD. Traditional with a contemporary twist, this garden located on the outskirts of London is designed for relaxed family living and informal… read more

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Three-time RHS gold medal winning designer, Matthew Childs, will be hoping for his fourth award with his Smart Meter Garden at this year’s RHS Hampton Court Garden Festival. read more

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By acclaimed garden designer Joe Francis. The inspiration for the garden came from Joe’s personal experience of depression and suicidal thoughts. Joe has teamed up with Maytree, a National… read more

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By garden designer Lawrence Roberts. A garden that aims to create an immersive experience for the visitor, a garden that could be appreciated in more ways than from behind a rope as it… read more

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Designed by Jo Thompson. Classicism meets modernism in this garden which references Etruria, Wedgwood’s eighteenth century factory and village built for workers, where forward-thinking elements… read more

View all 34 articles


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