Polystichum setiferum ‘Plumosum Densum’ is a soft shield fern valued for its dense, feathery fronds and strong garden performance. This semi-evergreen to evergreen fern forms a neat clump and suits shady UK gardens. You can use it to bring structure and year-round interest to borders, woodland planting, and wildlife-friendly spaces.

This plant is also known as:

• Soft shield fern ‘Plumosum Densum’
• Polystichum setiferum (Plumosomultilobum Group) ‘Plumosomultilobum Densum’
• Polystichum setiferum ‘Plumosodivisilobum Densum’

Key features

• Height and spread: around 60cm x 60cm
• Growth habit: clump-forming with a spreading shuttlecock shape
• Foliage: finely divided, soft fronds with a dense, layered look
• Seasonal interest: evergreen or semi-evergreen in mild UK conditions
• Ideal for: shade, woodland gardens, underplanting shrubs and trees

Benefits for UK wildlife

• Provides shelter for ground beetles, spiders, and other beneficial insects
• Creates cool, moist cover for frogs and toads in shady gardens
• Offers nesting material and safe hiding spots for invertebrates
• Helps build a layered habitat when combined with native woodland plants

Do you want to support wildlife in shaded areas where flowers struggle? This fern fills that gap and strengthens your garden ecosystem.

Planting tips

• Plant in moist, well-drained soil that holds organic matter
• Choose partial to full shade for best growth
• Mulch each spring with compost or leaf mould
• Water well in the first growing season
• Remove old fronds in late winter to encourage fresh growth
• Works well in containers if kept evenly moist

You can pair Polystichum setiferum ‘Plumosum Densum’ with hostas, hellebores, and shade-loving grasses. This builds a layered planting that looks natural and supports wildlife.

Add this soft shield fern to your garden if you want reliable structure, strong texture, and year-round greenery in shade.