Adiantum hispidulum 'Bronze Venus'

RHS Plant Profile

rough maidenhair fern 'Bronze Venus'

John Fielding

Ferns

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A clump-forming fern to around 50cm high and wide that is usually evergreen when grown indoors but may lose its foliage if planted outdoors. Fronds are upright to arching, dark green and glossy with narrow pinnae and black stalks; new foliage emerges coloured bronze-red in spring

Position

Full shade, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 0.1-0.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained
pH: Acid or Alkaline or Neutral

Position

Full shade Partial shade

Aspect: East–facing or North–facing or South–facing or West–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H3

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Pteridaceae
Native to GB/Ireland: No
Foliage: Semi evergreen
Habit: Clump forming
Genus: Adiantum can be deciduous or evergreen ferns with shiny black stalks bearing simple or more usually pinnately divided fronds, the segments fan-shaped, oblong or rounded, carrying spores under reflexed marginal flaps
Name Status: Accepted

How to Grow

Cultivation

Grow outdoors in any moist but well-drained soil with plenty of added leaf-mould. If growing indoors, water freely and feed once a month when in active growth

Propagation

Propagate by division or by spores

Suggested planting locations and garden types

Houseplants
Patio and container plants
Cottage and informal garden
Low Maintenance
Conservatory and greenhouse
Flower borders and beds
Underplanting of roses and shrubs

Pruning

Remove dead or damaged fronds in spring

Pests

May be susceptible to scale insects

Diseases

Generally disease-free