North America Native Plant

Braun’s Hollyfern

Botanical name: Polystichum braunii

USDA symbol: POBR4

Life cycle: perennial

Habit: forb

Native status: Native to Alaska âš˜ Native to Canada âš˜ Native to the lower 48 states âš˜ Native to St. Pierre and Miquelon  

Synonyms: Polystichum braunii (Spenner) Fée var. purshii Fernald (POBRP2)  âš˜  Polystichum braunii (Spenner) Fée ssp. purshii (Fernald) Calder & Roy L. Taylor (POBRP3)   

Braun’s Hollyfern: A Hardy Native Fern for Cool Climate Gardens If you’re looking for an elegant, low-maintenance fern that can handle your northern garden’s chilly winters, Braun’s hollyfern (Polystichum braunii) might just become your new best friend. This hardy native beauty brings year-round structure to shaded corners where many other ...

Braun’s Hollyfern: A Hardy Native Fern for Cool Climate Gardens

If you’re looking for an elegant, low-maintenance fern that can handle your northern garden’s chilly winters, Braun’s hollyfern (Polystichum braunii) might just become your new best friend. This hardy native beauty brings year-round structure to shaded corners where many other plants throw in the towel.

What Makes Braun’s Hollyfern Special?

Braun’s hollyfern is a perennial fern that’s built to last. Unlike many of its more delicate cousins, this tough customer stays green through winter in most climates, providing much-needed structure when your garden is looking a bit bare. The glossy, dark green fronds have a distinctly holly-like appearance with their spiny-edged leaflets, giving this fern its common name.

As a forb (a non-woody vascular plant), Braun’s hollyfern grows from underground rhizomes and can slowly spread to form attractive colonies over time. Don’t worry though – it’s not aggressive and won’t take over your garden like some ground covers we could mention!

Where Does It Come From?

This fern is a true North American native, naturally growing across a wide swath of the continent. You’ll find wild populations from Alaska down through Canada and into the northern United States. Its range includes British Columbia, Alaska, New Brunswick, Nova Scotia, Ontario, Prince Edward Island, Quebec, and extends south into states like Connecticut, Idaho, Maine, Massachusetts, Michigan, Minnesota, New Hampshire, New York, Pennsylvania, Vermont, and Wisconsin.

Why Grow Braun’s Hollyfern?

There are several compelling reasons to give this native fern a spot in your garden:

  • Hardy as nails: Thrives in USDA zones 3-7, making it perfect for gardeners in cooler climates
  • Evergreen interest: Provides structure and color even when snow is on the ground
  • Native plant benefits: Supports local ecosystems and wildlife
  • Low maintenance: Once established, requires minimal care
  • Shade tolerant: Perfect for those tricky spots under trees or on the north side of buildings

Where to Use Braun’s Hollyfern in Your Landscape

This versatile fern fits beautifully into several garden styles:

  • Woodland gardens: Naturalize under trees alongside other native shade plants
  • Shade borders: Use as a textural backdrop for flowering shade perennials
  • Rock gardens: Plant in crevices or at the base of rock features
  • Native plant gardens: Combine with other indigenous species for an authentic local ecosystem

Growing Conditions That Make It Happy

Braun’s hollyfern isn’t particularly fussy, but it does have some preferences:

  • Light: Partial to full shade (morning sun is okay, but avoid hot afternoon sun)
  • Soil: Cool, moist, well-draining soil with good organic matter
  • pH: Slightly acidic to neutral (6.0-7.0)
  • Moisture: Consistent moisture without being waterlogged
  • Temperature: Thrives in cool climates; may struggle in hot, humid conditions

Planting and Care Tips

Getting your Braun’s hollyfern established is straightforward:

  • Best planting time: Spring, after the last frost
  • Spacing: Allow 2-3 feet between plants for mature spread
  • Soil prep: Amend heavy clay or sandy soil with compost
  • Watering: Keep consistently moist the first year; established plants are somewhat drought tolerant
  • Mulching: Apply a 2-3 inch layer of organic mulch to retain moisture
  • Fertilizing: Generally unnecessary in good soil; a light application of compost in spring is sufficient
  • Pruning: Remove old, damaged fronds in early spring before new growth emerges

Wildlife and Ecosystem Benefits

While ferns don’t produce flowers to attract pollinators, they still play important roles in the ecosystem. Braun’s hollyfern provides shelter for small creatures and insects, and its evergreen nature offers year-round habitat. The spores produced by mature plants also serve as food for some wildlife species.

Is Braun’s Hollyfern Right for Your Garden?

If you garden in a cooler climate (zones 3-7) and have shady spots that need some evergreen structure, Braun’s hollyfern could be perfect for you. It’s especially valuable if you’re trying to create a native plant garden or want something that looks good year-round with minimal fuss.

However, if you live in a hot, humid climate or have only sunny garden spaces, this might not be your fern. It really thrives in cooler conditions and shade, so southern gardeners might want to look for heat-tolerant alternatives.

For northern gardeners seeking a reliable, attractive, and native fern that won’t quit when the going gets tough, Braun’s hollyfern is definitely worth considering. It’s one of those dependable plants that quietly does its job year after year, looking elegant while asking for very little in return.

Braun’s Hollyfern

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Dryopteridaceae Herter - Wood Fern family

Genus

Polystichum Roth - hollyfern

Species

Polystichum braunii (Spenner) Fée - Braun's hollyfern

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA