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Hairy Clematis

Clematis hirsutissima

Last reviewed: June 2026

Hairy Clematis (Clematis hirsutissima)
Photo: Dave Powell, USDA Forest Service, United States / Wikimedia Commons (Public domain)

Hairy Clematis is toxic to dogs and cats.

Listed as toxic by the ASPCA Animal Poison Control Center (last reviewed 2026-05-21). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435and your veterinarian's emergency line.

Pollinator Patch flags toxic plants so you can choose a pet-safe native alternative for your yard.

Light

part sun

Water

medium

Size

12"–48" H × 12"–48" W

Bloom

May, Jun

Native to

AZ, CO, ID, MT and 8 more states

Pollinators

bees, beetles

Browse plants for this ecoregion

Hairy clematis is a compact native vine that forms bushy clumps rather than climbing aggressively. It produces purple bell-shaped flowers in late spring and early summer, followed by attractive feathery seed heads.

In an HOA neighborhood

Hairy Clematis takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Vine growth habit appears unstructured
  • Can look scraggly without support
  • Dies back completely in winter leaving bare stems

Wildlife value

The flowers attract native bees and beetles during its May-June bloom period. The seed heads provide food for birds in late summer and fall.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Pollinator Patch flags toxic plants like Hairy Clematis and shows pet-safe natives for your ecoregion instead.