Dryopteris filix-mas ‘Linearis Polydactyla’ – Slender Crested Male Fern | Hardy Architectural Fern

Discover Dryopteris filix-mas ‘Linearis Polydactyla’ at TOMs FLOWer CLUB – an unusual and highly decorative hardy fern admired for its long, arching fronds and exceptionally narrow, widely spaced leaf segments. The finely divided foliage has an airy, almost skeletal appearance, while the tips branch into distinctive finger-like forms that give this cultivar its name.

Unlike many ferns with dense, feather-like foliage, this variety creates an open, elegant silhouette. It is an excellent choice for woodland gardens, shaded borders, naturalistic planting schemes and larger containers. Its architectural form contrasts beautifully with broad-leaved plants such as hostas and hellebores.

This is a deciduous garden fern that returns with fresh growth in spring. It is exceptionally frost-hardy and well suited to outdoor cultivation in Switzerland.

Why This Plant Stands Out

• Unusually narrow, widely spaced leaf segments

• Distinctive multi-forked, finger-like tips

• Long, arching fronds with an airy, architectural appearance

• A striking alternative to conventional dense garden ferns

• Excellent for woodland gardens and shaded planting schemes

• Combines beautifully with hostas, hellebores and other shade-loving plants

• Very frost-hardy and suitable for Swiss gardens

• A distinctive cultivar for fern collectors and naturalistic garden design

Plant Characteristics

Botanical name: Dryopteris filix-mas ‘Linearis Polydactyla’
Common name: Slender Crested Male Fern, Many-fingered Male Fern
Plant type: Hardy, deciduous perennial fern
Growth: Upright to arching, clump-forming habit
Height: Approximately 1–1.5 m at maturity
Spread: Approximately 0.5–1 m
Foliage: Mid-green, finely divided fronds with narrow leaf segments and multi-forked tips
Flowers: None; ferns reproduce by spores
Special features: Architectural foliage, unusual frond structure and excellent frost hardiness
Use: Woodland gardens, shaded borders, underplanting, naturalistic gardens and containers

Collector Note

Dryopteris filix-mas ‘Linearis Polydactyla’ is valued for its distinctive frond structure rather than colourful foliage. The narrow, widely spaced leaf segments create an open, delicate appearance, while the forked tips add an intricate botanical detail.

Despite its refined appearance, this is a robust garden fern. Its mature size and frost tolerance make it suitable for permanent planting, where it can provide height and texture among other shade-loving perennials.

Care

Light: Partial shade to full shade; it can tolerate sunnier positions if sufficient moisture is available
Watering: Keep the soil reasonably moist, particularly during establishment and dry periods
Humidity: Adapts well to normal outdoor garden conditions
Temperature: Fully frost-hardy; suitable for cold Swiss winters
Substrate: Humus-rich, moisture-retentive but well-drained garden soil
Maintenance: Remove old or damaged fronds in late autumn or spring
Planting: Choose a sheltered position where strong winds are less likely to damage the fronds
Container growing: Suitable for larger pots; protect the root ball from prolonged drying and extreme temperature fluctuations

Cultivated with Care at TOMs FLOWer CLUB

At TOMs FLOWer CLUB, we focus on healthy plants and natural growth rather than forced production. Our approach prioritises quality over quantity and avoids excessive fertilisation.

What You Receive

You receive the plant in the displayed size, carefully selected for you.