Native Plants

Arizona Clematis

Clematis hirsutissima var. arizonica

USDA symbol: CLHIA

perennial subshrub

Lower 48 states: native

Meet Arizona clematis (Clematis hirsutissima var. arizonica), a charming native perennial that’s perfectly suited for southwestern gardens. This lesser-known member of the clematis family brings authentic regional character to your landscape while supporting local ecosystems. This delightful native plant is found naturally in Arizona and New Mexico, making it a ...

Arizona Clematis may be listed as rare in your area.
Global Conservation Status

Status: S4T2?Q | Apparently Secure: Uncommon but not rare, and usually widespread. Possible cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals.

Arizona Clematis: A Native Southwestern Treasure for Your Garden

Meet Arizona clematis (Clematis hirsutissima var. arizonica), a charming native perennial that’s perfectly suited for southwestern gardens. This lesser-known member of the clematis family brings authentic regional character to your landscape while supporting local ecosystems.

Where Arizona Clematis Calls Home

This delightful native plant is found naturally in Arizona and New Mexico, making it a true child of the American Southwest. As a native species to the lower 48 states, Arizona clematis has evolved to thrive in the unique conditions of this arid region.

  • Species observed
  • No observations

What Makes Arizona Clematis Special

Arizona clematis is classified as a forb herb, which simply means it’s a soft-stemmed perennial without woody growth above ground. Unlike its climbing cousins, this clematis maintains a more herbaceous growth pattern, with its perennating buds safely tucked at or below ground level to survive harsh conditions.

Why Consider Arizona Clematis for Your Garden

Here are compelling reasons to welcome this native beauty into your landscape:

  • True native authenticity: Support local ecosystems with a plant that naturally belongs in your region
  • Water-wise gardening: As a southwestern native, it’s naturally adapted to lower water conditions
  • Perennial reliability: Returns year after year once established
  • Unique clematis character: Offers the charm of clematis in a distinctly southwestern form

A Note About Rarity

Arizona clematis has a somewhat uncertain conservation status (listed as S4T2?Q), which suggests it may be uncommon in parts of its range. If you’re interested in growing this native treasure, please ensure you source plants or seeds from reputable native plant nurseries that practice responsible collection methods. Never collect from wild populations.

Garden Design and Landscape Role

This native clematis works beautifully in:

  • Native plant gardens celebrating regional flora
  • Xeriscaped landscapes requiring minimal water
  • Naturalistic plantings that mimic local ecosystems
  • Cottage gardens with a southwestern twist

Growing Conditions and Care

While specific growing requirements for Arizona clematis aren’t widely documented, we can make educated assumptions based on its native habitat and related species:

  • Climate: Likely suited for USDA zones where Arizona and New Mexico’s native plant communities thrive
  • Soil: Probably prefers well-draining soils typical of southwestern regions
  • Water: Once established, should require minimal supplemental irrigation
  • Sun exposure: Likely adapted to full sun to partial shade conditions

Planting and Establishment Tips

When working with any native clematis:

  • Plant in fall or early spring when temperatures are moderate
  • Ensure excellent drainage to prevent root rot
  • Water regularly during the first growing season to establish roots
  • Mulch around the base to conserve moisture and suppress weeds
  • Be patient – native plants often take time to establish but reward you with longevity

Supporting Native Ecosystems

By choosing Arizona clematis, you’re supporting biodiversity and creating habitat for native pollinators and wildlife that have co-evolved with this plant. Native plants form the foundation of healthy local ecosystems and require fewer resources once established.

The Bottom Line

Arizona clematis represents an opportunity to grow something truly special – a native plant that connects your garden to the natural heritage of the Southwest. While information about this variety is limited, its native status and regional adaptation make it a worthy choice for gardeners seeking authentic, water-wise plants. Just remember to source responsibly and be patient as your native clematis settles into its new home.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Magnoliidae
Order: Ranunculales
Family: Ranunculaceae Juss. - Buttercup family
Genus: Clematis L. - leather flower

Species: Clematis hirsutissima Pursh - hairy clematis

Variety: Clematis hirsutissima Pursh var. arizonica (A. Heller) Erickson - Arizona clematis

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