Attu Hollyfern: Alaska’s Hidden Woodland Gem
Meet the Attu hollyfern (Polystichum microchlamys), a charming little fern that calls Alaska home. While most gardeners are familiar with common woodland ferns, this delicate beauty remains one of nature’s best-kept secrets from the far north.
What Makes This Fern Special?
The Attu hollyfern is a perennial fern that belongs to the diverse Polystichum genus. Despite its classification as a forb in botanical databases, this is indeed a true fern – one that lacks the woody stems of shrubs and trees but makes up for it with elegant, finely-divided fronds that persist through multiple seasons.
This isn’t your typical backyard fern. With its delicate appearance and compact growth habit, the Attu hollyfern brings a touch of Alaskan wilderness to any shaded corner of your garden.
Where Does It Come From?
As its common name suggests, this fern is native to Alaska, with its most famous population found on Attu Island in the Aleutian chain. It’s a true Alaskan endemic, perfectly adapted to the cool, maritime climate of the northern Pacific.
Why Consider Growing Attu Hollyfern?
Here’s why this little-known fern deserves a spot in your shade garden:
- Unique character: Few gardeners grow this species, making it a true conversation starter
- Cold hardiness: Thrives in USDA zones 3-7, perfect for northern gardeners
- Low maintenance: Once established, requires minimal care
- Evergreen interest: Provides year-round structure in the garden
- Native plant gardening: Perfect for Alaska native plant enthusiasts
Garden Design Ideas
The Attu hollyfern works beautifully in several garden settings:
- Shade gardens: Plant alongside other woodland perennials for a naturalistic look
- Rock gardens: Its compact size makes it ideal for tucking into rocky crevices
- Alpine gardens: Pairs well with other cold-climate plants
- Woodland borders: Creates lovely textural contrast with broader-leafed plants
Growing Conditions and Care
Success with Attu hollyfern comes down to mimicking its native Alaskan habitat:
- Light: Partial to full shade – avoid hot afternoon sun
- Soil: Well-draining, consistently moist soil with good organic content
- pH: Slightly acidic to neutral (6.0-7.0)
- Water: Keep soil evenly moist but never waterlogged
- Temperature: Prefers cool conditions; perfect for northern climates
Planting and Care Tips
Getting started with Attu hollyfern requires a gentle approach:
- Plant in spring when soil can be worked
- Choose a protected spot away from drying winds
- Add compost or leaf mold to improve soil structure
- Mulch around the base to retain moisture and suppress weeds
- Water regularly during dry spells, especially in the first year
- Avoid heavy fertilization – a light application of compost annually is sufficient
A Note on Availability
Here’s the catch: Attu hollyfern isn’t readily available at your local garden center. This Alaska native is quite rare in cultivation, which means you might need to seek out specialty native plant nurseries or botanical garden plant sales. If you do find it, consider yourself lucky – and be sure to source it responsibly from reputable growers.
The Bottom Line
While the Attu hollyfern might not be the easiest fern to find or grow, it offers something special for dedicated native plant gardeners and fern enthusiasts. Its unique Alaskan heritage and delicate beauty make it a worthy addition to cool-climate shade gardens. Just remember: patience and the right growing conditions are key to success with this northern treasure.
If you’re looking for a fern that tells a story and brings a piece of Alaska’s wild beauty to your garden, the Attu hollyfern might just be your next gardening adventure.
