Polystichum braunii

Description

Polystichum braunii – Braun’s shield fern

Botanical name: Polystichum braunii
Common names: Braun’s shield fern, tassel fern
Family: Dryopteridaceae
Plant type: Semi-evergreen fern
Habit: Clump-forming, arching shuttlecock
Pot size: 3 litre pot
Eventual size: Approx. 60–75cm tall × 60cm spread
Foliage: Soft-textured, finely divided dark green fronds clothed in pale scales, especially when young; semi-evergreen
Flowers: None — ferns reproduce by spores, not flowers
Scent: Not scented
Aspect / light: Partial to full shade
Soil: Moist but well-drained, humus-rich; neutral to acid
Hardiness: RHS H5 (hardy, to about −15°C); USDA zones 4–8
Exposure: Sheltered
Native range: Native to the northern hemisphere
Toxicity / pet & child safety: Generally considered non-toxic to people and pets

Polystichum braunii, Braun’s shield fern, has soft-textured, finely divided dark green fronds clothed in pale scales, forming elegant arching shuttlecocks. A refined fern for moist, shaded and woodland borders.

GardenAdvice notes

A refined and elegant shield fern, Polystichum braunii forms handsome arching shuttlecocks of soft-textured, finely divided dark green fronds, attractively clothed in pale brown scales as the young croziers unfurl. It prefers a cool, moist, shaded spot and brings a soft, luxuriant texture to woodland and shady borders.

Growing & planting

Plant in spring or autumn in moist but well-drained, humus-rich soil in partial to full shade, with shelter from cold, drying winds. Work in leaf mould or compost to hold moisture, and space according to the ultimate size, generally about 45–60cm apart.

Care & maintenance

Low-maintenance. Keep the soil from drying out, especially while establishing, and mulch with leaf mould in autumn. Remove old, tatty or frost-burnt fronds in early spring before the new growth unfurls. No feeding is usually needed beyond an annual mulch.

Propagation

• Division: Lift and divide congested clumps in spring.
• Spores: Can be raised from spores sown on moist, sterile compost, though this is slow and specialised.

Pests & diseases

Generally trouble-free and robust. Slugs and snails may graze the soft young fronds as they unfurl in spring, and fronds can scorch in dry or exposed positions. Moist soil and shelter keep it looking its best.

Uses in the garden

Ideal for moist, shady and woodland borders, north-facing beds and among hostas and other shade plants, where its soft, scaly fronds add luxuriant texture

Wildlife value

The fronds and crown provide cover and shelter for small invertebrates through the year.

Toxicity & safety

Ferns are generally regarded as non-toxic to people and pets, though as with all ornamental plants they are not intended for eating.

GardenAdvice tip

Braun’s shield fern is prized for its soft, luxuriant texture and the pretty pale scales that clothe the unfurling spring fronds — a lovely detail up close. It likes things a little cooler and moister than the toughest shield ferns, so give it a properly moist, shaded spot rather than a dry one, and keep it well mulched.

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