North America Native Plant

False Cloak Fern

Botanical name: Argyrochosma

USDA symbol: ARGYR5

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

False Cloak Fern: A Hidden Gem for Your Rock Garden If you’re looking to add some understated elegance to your native plant garden, let me introduce you to the false cloak fern (Argyrochosma). This charming little fern might not win any showiest plant contests, but it’s got a quiet beauty ...

False Cloak Fern: A Hidden Gem for Your Rock Garden

If you’re looking to add some understated elegance to your native plant garden, let me introduce you to the false cloak fern (Argyrochosma). This charming little fern might not win any showiest plant contests, but it’s got a quiet beauty that makes it absolutely perfect for the right garden spots.

What Makes False Cloak Fern Special?

False cloak fern is a perennial native fern that’s perfectly at home across much of the American West and parts of the Midwest. As a forb (basically a non-woody plant), it lacks the thick, woody stems you’d see on shrubs or trees, instead growing from buds at or below ground level. Don’t let its modest size fool you – this little fern has some serious staying power.

Where You’ll Find This Native Beauty

This hardy fern calls home to an impressive range of states: Arizona, Arkansas, California, Colorado, Illinois, Kansas, Kentucky, Missouri, Nebraska, Nevada, New Mexico, Oklahoma, Texas, Utah, and Wyoming. That’s quite a territory for such a petite plant! It’s perfectly adapted to the challenging conditions found across these diverse regions.

The Appeal of False Cloak Fern

What really sets false cloak fern apart is its silvery-white underside that creates a beautiful contrast with the green upper surface of the fronds. It’s like nature’s own two-toned fabric! This compact, low-growing fern typically stays nice and tidy, making it an excellent choice for gardeners who appreciate subtle beauty over flashy displays.

Perfect Garden Spots for False Cloak Fern

This little fern is absolutely perfect for:

  • Rock gardens where it can nestle between stones
  • Xeriscape landscapes that celebrate water-wise gardening
  • Native plant gardens focused on regional species
  • Areas that mimic natural cliff and rocky habitats

Think of it as the perfect plant for those tricky spots where other plants might struggle – those dry, partially shaded nooks that need something special.

Growing Conditions That Make It Happy

False cloak fern is wonderfully low-maintenance once you understand its preferences. It thrives in well-draining, rocky or sandy soils and actually prefers partial to full shade. The key to success? Excellent drainage – this fern absolutely cannot tolerate soggy feet.

Once established, it has low water requirements, making it a fantastic choice for water-conscious gardeners. It typically grows well in USDA hardiness zones 4-9, though this can vary depending on your specific location and local growing conditions.

Planting and Care Tips

Here’s how to give your false cloak fern the best start:

  • Plant in well-draining soil – consider adding gravel or coarse sand to heavy soils
  • Choose a spot with partial to full shade
  • Water sparingly once established
  • Use rocky mulch rather than organic mulch
  • Plant in crevices or between rocks for the most natural look

Wildlife and Ecosystem Benefits

While false cloak fern doesn’t produce flashy flowers to attract pollinators, it still plays an important role in native ecosystems. As a native plant, it supports the complex web of life that has evolved alongside it, providing habitat and contributing to biodiversity in subtle but important ways.

Is False Cloak Fern Right for Your Garden?

This native fern is an excellent choice if you’re looking for a low-maintenance, drought-tolerant plant that adds texture and quiet beauty to challenging garden spots. It’s particularly wonderful for gardeners who appreciate the understated elegance of native plants and want to create habitats that support local ecosystems.

The false cloak fern might not be the star of your garden, but it’ll definitely be one of those plants that quietly earns your respect and affection over time. Sometimes the best garden residents are the ones that just settle in and make themselves at home without any fuss!

False Cloak Fern

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Pteridaceae E.D.M. Kirchn. - Maidenhair Fern family

Genus

Argyrochosma (Sm.) Windham - false cloak fern

Species

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