Dryopteris affinis

RHS Plant Profile

scaly male fern

Other common names

golden shield fern

Synonyms

Dryopteris pseudomas

Ferns

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A robust semi-evergreen fern forming a rosette of erect, bipinnatifid fronds to 1.2m in length, bright yellow-green when young, later rich green, with dense, persistent golden scales on the stems

Position

Full shade, Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 5–10 years
Max Spread: 0.5-1 metres
Max Height: 1-1.5 metres

Growing Conditions

Chalk Clay Loam Sand

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

Position

Full shade Full sun Partial shade

Aspect: South–facing or North–facing or West–facing or East–facing
Exposure: Exposed or 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): H5

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Dryopteridaceae
Native to GB/Ireland: Yes
Foliage: Semi evergreen
Habit: Tufted
Genus: Dryopteris can be deciduous, semi-evergreen or evergreen ferns, with stout, erect or decumbent rhizomes and shuttlecock-like rosettes of lance-shaped to ovate, pinnately divided fronds
Name Status: Correct
Plant Range: Europe, Asia

How to Grow

Cultivation

Easy to grow in most cool, moist, lightly shaded sites and will grow in full sun if given plenty of moisture. Tolerant of dry shade but water regularly in their first season and mulch well. See how to grow ferns for further advice

Propagation

Propagate by sowing spores as soon as ripe or by division in spring

Suggested planting locations and garden types

Wildflower meadow
Cottage and informal garden
Low Maintenance
Flower borders and beds
Underplanting of roses and shrubs

Pruning

Dead or damaged fronds may be removed as necessary

Pests

Generally pest-free outdoors

Diseases

Generally disease-free outdoors