North America Native Plant

Chihuahua Scaly Cloakfern

Botanical name: Astrolepis cochisensis chihuahuaensis

USDA symbol: ASCOC2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Chihuahua Scaly Cloakfern: A Drought-Tough Native for Desert Gardens If you’re looking for a fern that laughs in the face of drought, meet the Chihuahua scaly cloakfern (Astrolepis cochisensis chihuahuaensis). This tough little native breaks all the rules about ferns needing moist, shady spots – it actually thrives in dry, ...

Chihuahua Scaly Cloakfern: A Drought-Tough Native for Desert Gardens

If you’re looking for a fern that laughs in the face of drought, meet the Chihuahua scaly cloakfern (Astrolepis cochisensis chihuahuaensis). This tough little native breaks all the rules about ferns needing moist, shady spots – it actually thrives in dry, sunny conditions that would make most of its cousins wilt.

What Makes This Fern Special?

The Chihuahua scaly cloakfern is a perennial native that’s perfectly adapted to the harsh conditions of the American Southwest. Unlike the delicate woodland ferns you might be familiar with, this species has evolved to survive in rocky, arid environments where water is scarce and the sun beats down relentlessly.

This native species calls the southwestern United States home, specifically thriving in New Mexico and Texas. Its natural range extends into northern Mexico, where it clings to rocky outcrops and canyon walls with remarkable tenacity.

Why Choose This Native Fern?

There are several compelling reasons to consider adding this unique fern to your landscape:

  • Water-wise gardening: Once established, it requires minimal irrigation
  • Native plant benefits: Supports local ecosystems and requires less maintenance
  • Unique texture: Adds interesting foliage contrast to desert plant palettes
  • Low maintenance: Thrives on neglect once properly situated

Where Does It Fit in Your Garden?

The Chihuahua scaly cloakfern is perfect for specialized garden settings where traditional ferns would struggle. Consider it for:

  • Rock gardens and xerophytic landscapes
  • Desert-themed plantings
  • Slopes and areas with excellent drainage
  • Native plant gardens in appropriate regions

Growing Conditions and Care

Success with this fern comes from understanding its natural habitat preferences:

  • Light: Full sun to partial shade – unlike most ferns, it tolerates direct sunlight
  • Soil: Well-draining, rocky or sandy soils; avoid heavy clay or areas that stay wet
  • Water: Drought-tolerant once established; water sparingly and only during extended dry periods
  • Climate: Best suited for USDA hardiness zones 7-10

Planting and Establishment Tips

Getting your Chihuahua scaly cloakfern off to a good start requires attention to its unique needs:

  • Plant in well-draining soil – soggy conditions will quickly kill this desert dweller
  • Choose a location with good air circulation
  • Water lightly during establishment, then reduce frequency significantly
  • Avoid fertilizing – this fern is adapted to poor, rocky soils

A Note About Availability

As a specialized native plant, the Chihuahua scaly cloakfern may not be readily available at typical garden centers. You’ll likely need to source it from native plant nurseries or specialists in desert plants. Always ensure you’re purchasing from reputable sources that propagate their plants rather than collecting from wild populations.

The Bottom Line

The Chihuahua scaly cloakfern is a fascinating choice for gardeners in appropriate climates who want to try something truly different. While it may not provide the lush, tropical look of traditional ferns, it offers unique texture and the satisfaction of growing a tough native that’s perfectly adapted to challenging conditions. If you’re gardening in the Southwest and looking to expand your native plant palette, this drought-tolerant fern might just be the unexpected gem your landscape needs.

Chihuahua Scaly Cloakfern

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

Astrolepis Benham & Windham - cloakfern

Species

Astrolepis cochisensis (Goodding) Benham & Windham - Cochise scaly cloakfern

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